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Finding the Fourth Proportional to 201,874,566.55, 302,811,849.83 and 65,573,728.15

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Solution

The fourth proportional to 201,874,566.55, 302,811,849.83 and 65,573,728.15 is: 98,360,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,874,566.55 : 302,811,849.83 = 65,573,728.15 : x
  2. Step 2: Convert to fraction form
    201,874,566.55/302,811,849.83 = 65,573,728.15/x
  3. Step 3: Cross multiply
    201,874,566.55x = 302,811,849.83 × 65,573,728.15
  4. Step 4: Simplify right side
    201,874,566.55x = 19,856,501,921,023,172
  5. Step 5: Solve for x
    x = 19,856,501,921,023,172/201,874,566.55
  6. Step 6: Final answer
    x = 98,360,592.23

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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.