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Finding the Fourth Proportional to 152,677.52, 228,654.28 and 120,985.68

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Solution

The fourth proportional to 152,677.52, 228,654.28 and 120,985.68 is: 181,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,677.52 : 228,654.28 = 120,985.68 : x
  2. Step 2: Convert to fraction form
    152,677.52/228,654.28 = 120,985.68/x
  3. Step 3: Cross multiply
    152,677.52x = 228,654.28 × 120,985.68
  4. Step 4: Simplify right side
    152,677.52x = 27,663,893,550.71
  5. Step 5: Solve for x
    x = 27,663,893,550.71/152,677.52
  6. Step 6: Final answer
    x = 181,191.66

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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.