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Finding the Fourth Proportional to 132,677.87, 183,095.47 and 72,248.49

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Solution

The fourth proportional to 132,677.87, 183,095.47 and 72,248.49 is: 99,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,677.87 : 183,095.47 = 72,248.49 : x
  2. Step 2: Convert to fraction form
    132,677.87/183,095.47 = 72,248.49/x
  3. Step 3: Cross multiply
    132,677.87x = 183,095.47 × 72,248.49
  4. Step 4: Simplify right side
    132,677.87x = 13,228,371,531.49
  5. Step 5: Solve for x
    x = 13,228,371,531.49/132,677.87
  6. Step 6: Final answer
    x = 99,702.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.