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Finding the Fourth Proportional to 159,402,291.40, 239,103,437.10 and 159,402,291.40

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Solution

The fourth proportional to 159,402,291.40, 239,103,437.10 and 159,402,291.40 is: 239,103,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,402,291.40 : 239,103,437.10 = 159,402,291.40 : x
  2. Step 2: Convert to fraction form
    159,402,291.40/239,103,437.10 = 159,402,291.40/x
  3. Step 3: Cross multiply
    159,402,291.40x = 239,103,437.10 × 159,402,291.40
  4. Step 4: Simplify right side
    159,402,291.40x = 38,113,635,755,355,768
  5. Step 5: Solve for x
    x = 38,113,635,755,355,768/159,402,291.40
  6. Step 6: Final answer
    x = 239,103,437.10

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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.