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Finding the Fourth Proportional to 266,948.60, 368,261.44 and 164,937.20

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Solution

The fourth proportional to 266,948.60, 368,261.44 and 164,937.20 is: 227,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,948.60 : 368,261.44 = 164,937.20 : x
  2. Step 2: Convert to fraction form
    266,948.60/368,261.44 = 164,937.20/x
  3. Step 3: Cross multiply
    266,948.60x = 368,261.44 × 164,937.20
  4. Step 4: Simplify right side
    266,948.60x = 60,740,010,781.57
  5. Step 5: Solve for x
    x = 60,740,010,781.57/266,948.60
  6. Step 6: Final answer
    x = 227,534.48

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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.