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Finding the Fourth Proportional to 59,784,429.60, 89,676,644.40 and 58,650,688.80

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Solution

The fourth proportional to 59,784,429.60, 89,676,644.40 and 58,650,688.80 is: 87,976,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784,429.60 : 89,676,644.40 = 58,650,688.80 : x
  2. Step 2: Convert to fraction form
    59,784,429.60/89,676,644.40 = 58,650,688.80/x
  3. Step 3: Cross multiply
    59,784,429.60x = 89,676,644.40 × 58,650,688.80
  4. Step 4: Simplify right side
    59,784,429.60x = 5,259,596,963,332,663
  5. Step 5: Solve for x
    x = 5,259,596,963,332,663/59,784,429.60
  6. Step 6: Final answer
    x = 87,976,033.20

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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.