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Finding the Fourth Proportional to 121,503.54, 182,254.23 and 38,397.54

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Solution

The fourth proportional to 121,503.54, 182,254.23 and 38,397.54 is: 57,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,503.54 : 182,254.23 = 38,397.54 : x
  2. Step 2: Convert to fraction form
    121,503.54/182,254.23 = 38,397.54/x
  3. Step 3: Cross multiply
    121,503.54x = 182,254.23 × 38,397.54
  4. Step 4: Simplify right side
    121,503.54x = 6,998,114,086.59
  5. Step 5: Solve for x
    x = 6,998,114,086.59/121,503.54
  6. Step 6: Final answer
    x = 57,595.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.