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Finding the Fourth Proportional to 110,781.40, 152,877.54 and 60,480.40

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Solution

The fourth proportional to 110,781.40, 152,877.54 and 60,480.40 is: 83,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,781.40 : 152,877.54 = 60,480.40 : x
  2. Step 2: Convert to fraction form
    110,781.40/152,877.54 = 60,480.40/x
  3. Step 3: Cross multiply
    110,781.40x = 152,877.54 × 60,480.40
  4. Step 4: Simplify right side
    110,781.40x = 9,246,094,770.22
  5. Step 5: Solve for x
    x = 9,246,094,770.22/110,781.40
  6. Step 6: Final answer
    x = 83,462.52

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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.