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Finding the Fourth Proportional to 369,117.40, 553,676.10 and 88,634.65

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Solution

The fourth proportional to 369,117.40, 553,676.10 and 88,634.65 is: 132,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,117.40 : 553,676.10 = 88,634.65 : x
  2. Step 2: Convert to fraction form
    369,117.40/553,676.10 = 88,634.65/x
  3. Step 3: Cross multiply
    369,117.40x = 553,676.10 × 88,634.65
  4. Step 4: Simplify right side
    369,117.40x = 49,074,887,336.87
  5. Step 5: Solve for x
    x = 49,074,887,336.87/369,117.40
  6. Step 6: Final answer
    x = 132,951.98

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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.