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Finding the Fourth Proportional to 59,187,816.60, 88,781,724.90 and 54,652,853.40

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Solution

The fourth proportional to 59,187,816.60, 88,781,724.90 and 54,652,853.40 is: 81,979,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,187,816.60 : 88,781,724.90 = 54,652,853.40 : x
  2. Step 2: Convert to fraction form
    59,187,816.60/88,781,724.90 = 54,652,853.40/x
  3. Step 3: Cross multiply
    59,187,816.60x = 88,781,724.90 × 54,652,853.40
  4. Step 4: Simplify right side
    59,187,816.60x = 4,852,174,595,558,830
  5. Step 5: Solve for x
    x = 4,852,174,595,558,830/59,187,816.60
  6. Step 6: Final answer
    x = 81,979,280.10

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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.