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Finding the Fourth Proportional to 369,164.92, 553,778.60 and 102,925.66

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Solution

The fourth proportional to 369,164.92, 553,778.60 and 102,925.66 is: 154,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,164.92 : 553,778.60 = 102,925.66 : x
  2. Step 2: Convert to fraction form
    369,164.92/553,778.60 = 102,925.66/x
  3. Step 3: Cross multiply
    369,164.92x = 553,778.60 × 102,925.66
  4. Step 4: Simplify right side
    369,164.92x = 56,998,027,898.88
  5. Step 5: Solve for x
    x = 56,998,027,898.88/369,164.92
  6. Step 6: Final answer
    x = 154,397.19

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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.