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Finding the Fourth Proportional to 125,101.82, 172,597.64 and 71,348.18

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Solution

The fourth proportional to 125,101.82, 172,597.64 and 71,348.18 is: 98,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,101.82 : 172,597.64 = 71,348.18 : x
  2. Step 2: Convert to fraction form
    125,101.82/172,597.64 = 71,348.18/x
  3. Step 3: Cross multiply
    125,101.82x = 172,597.64 × 71,348.18
  4. Step 4: Simplify right side
    125,101.82x = 12,314,527,486.30
  5. Step 5: Solve for x
    x = 12,314,527,486.30/125,101.82
  6. Step 6: Final answer
    x = 98,436.04

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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.