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Finding the Fourth Proportional to 201,811,598.40, 302,079,668.40 and 158,446,012.80

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Solution

The fourth proportional to 201,811,598.40, 302,079,668.40 and 158,446,012.80 is: 237,168,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,811,598.40 : 302,079,668.40 = 158,446,012.80 : x
  2. Step 2: Convert to fraction form
    201,811,598.40/302,079,668.40 = 158,446,012.80/x
  3. Step 3: Cross multiply
    201,811,598.40x = 302,079,668.40 × 158,446,012.80
  4. Step 4: Simplify right side
    201,811,598.40x = 47,863,319,005,926,152
  5. Step 5: Solve for x
    x = 47,863,319,005,926,152/201,811,598.40
  6. Step 6: Final answer
    x = 237,168,326.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.