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Finding the Fourth Proportional to 157,662,209.84, 217,542,290.84 and 88,036,877.84

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Solution

The fourth proportional to 157,662,209.84, 217,542,290.84 and 88,036,877.84 is: 121,473,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,662,209.84 : 217,542,290.84 = 88,036,877.84 : x
  2. Step 2: Convert to fraction form
    157,662,209.84/217,542,290.84 = 88,036,877.84/x
  3. Step 3: Cross multiply
    157,662,209.84x = 217,542,290.84 × 88,036,877.84
  4. Step 4: Simplify right side
    157,662,209.84x = 19,151,744,083,714,832
  5. Step 5: Solve for x
    x = 19,151,744,083,714,832/157,662,209.84
  6. Step 6: Final answer
    x = 121,473,269.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.