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Finding the Fourth Proportional to 59,148,668.40, 88,573,703.40 and 38,843,977.20

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Solution

The fourth proportional to 59,148,668.40, 88,573,703.40 and 38,843,977.20 is: 58,167,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,148,668.40 : 88,573,703.40 = 38,843,977.20 : x
  2. Step 2: Convert to fraction form
    59,148,668.40/88,573,703.40 = 38,843,977.20/x
  3. Step 3: Cross multiply
    59,148,668.40x = 88,573,703.40 × 38,843,977.20
  4. Step 4: Simplify right side
    59,148,668.40x = 3,440,554,915,389,163
  5. Step 5: Solve for x
    x = 3,440,554,915,389,163/59,148,668.40
  6. Step 6: Final answer
    x = 58,167,918.37

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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.