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Finding the Fourth Proportional to 124,390.53, 171,523.26 and 84,034.22

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Solution

The fourth proportional to 124,390.53, 171,523.26 and 84,034.22 is: 115,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,390.53 : 171,523.26 = 84,034.22 : x
  2. Step 2: Convert to fraction form
    124,390.53/171,523.26 = 84,034.22/x
  3. Step 3: Cross multiply
    124,390.53x = 171,523.26 × 84,034.22
  4. Step 4: Simplify right side
    124,390.53x = 14,413,822,508.34
  5. Step 5: Solve for x
    x = 14,413,822,508.34/124,390.53
  6. Step 6: Final answer
    x = 115,875.56

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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.