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Finding the Fourth Proportional to 89,332,051.20, 133,714,641.60 and 89,332,051.20

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Solution

The fourth proportional to 89,332,051.20, 133,714,641.60 and 89,332,051.20 is: 133,714,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,332,051.20 : 133,714,641.60 = 89,332,051.20 : x
  2. Step 2: Convert to fraction form
    89,332,051.20/133,714,641.60 = 89,332,051.20/x
  3. Step 3: Cross multiply
    89,332,051.20x = 133,714,641.60 × 89,332,051.20
  4. Step 4: Simplify right side
    89,332,051.20x = 11,945,003,209,600,850
  5. Step 5: Solve for x
    x = 11,945,003,209,600,850/89,332,051.20
  6. Step 6: Final answer
    x = 133,714,641.60

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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.