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Finding the Fourth Proportional to 125,281.92, 172,692.80 and 94,945.92

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Solution

The fourth proportional to 125,281.92, 172,692.80 and 94,945.92 is: 130,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,281.92 : 172,692.80 = 94,945.92 : x
  2. Step 2: Convert to fraction form
    125,281.92/172,692.80 = 94,945.92/x
  3. Step 3: Cross multiply
    125,281.92x = 172,692.80 × 94,945.92
  4. Step 4: Simplify right side
    125,281.92x = 16,396,476,773.38
  5. Step 5: Solve for x
    x = 16,396,476,773.38/125,281.92
  6. Step 6: Final answer
    x = 130,876.64

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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.