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Finding the Fourth Proportional to 60,558,920.40, 90,838,380.60 and 60,558,920.40

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Solution

The fourth proportional to 60,558,920.40, 90,838,380.60 and 60,558,920.40 is: 90,838,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,558,920.40 : 90,838,380.60 = 60,558,920.40 : x
  2. Step 2: Convert to fraction form
    60,558,920.40/90,838,380.60 = 60,558,920.40/x
  3. Step 3: Cross multiply
    60,558,920.40x = 90,838,380.60 × 60,558,920.40
  4. Step 4: Simplify right side
    60,558,920.40x = 5,501,074,260,020,304
  5. Step 5: Solve for x
    x = 5,501,074,260,020,304/60,558,920.40
  6. Step 6: Final answer
    x = 90,838,380.60

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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.