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Finding the Fourth Proportional to 159,854,421.40, 239,781,632.10 and 159,854,421.40

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Solution

The fourth proportional to 159,854,421.40, 239,781,632.10 and 159,854,421.40 is: 239,781,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,854,421.40 : 239,781,632.10 = 159,854,421.40 : x
  2. Step 2: Convert to fraction form
    159,854,421.40/239,781,632.10 = 159,854,421.40/x
  3. Step 3: Cross multiply
    159,854,421.40x = 239,781,632.10 × 159,854,421.40
  4. Step 4: Simplify right side
    159,854,421.40x = 38,330,154,061,693,168
  5. Step 5: Solve for x
    x = 38,330,154,061,693,168/159,854,421.40
  6. Step 6: Final answer
    x = 239,781,632.10

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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.