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Finding the Fourth Proportional to 292,125.90, 403,200.96 and 171,306.06

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Solution

The fourth proportional to 292,125.90, 403,200.96 and 171,306.06 is: 236,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,125.90 : 403,200.96 = 171,306.06 : x
  2. Step 2: Convert to fraction form
    292,125.90/403,200.96 = 171,306.06/x
  3. Step 3: Cross multiply
    292,125.90x = 403,200.96 × 171,306.06
  4. Step 4: Simplify right side
    292,125.90x = 69,070,767,845.82
  5. Step 5: Solve for x
    x = 69,070,767,845.82/292,125.90
  6. Step 6: Final answer
    x = 236,441.78

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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.