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Finding the Fourth Proportional to 369,070.70, 553,606.05 and 88,587.95

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Solution

The fourth proportional to 369,070.70, 553,606.05 and 88,587.95 is: 132,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,070.70 : 553,606.05 = 88,587.95 : x
  2. Step 2: Convert to fraction form
    369,070.70/553,606.05 = 88,587.95/x
  3. Step 3: Cross multiply
    369,070.70x = 553,606.05 × 88,587.95
  4. Step 4: Simplify right side
    369,070.70x = 49,042,822,142.96
  5. Step 5: Solve for x
    x = 49,042,822,142.96/369,070.70
  6. Step 6: Final answer
    x = 132,881.92

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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.