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Finding the Fourth Proportional to 110,803.75, 152,909.99 and 60,502.75

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Solution

The fourth proportional to 110,803.75, 152,909.99 and 60,502.75 is: 83,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,803.75 : 152,909.99 = 60,502.75 : x
  2. Step 2: Convert to fraction form
    110,803.75/152,909.99 = 60,502.75/x
  3. Step 3: Cross multiply
    110,803.75x = 152,909.99 × 60,502.75
  4. Step 4: Simplify right side
    110,803.75x = 9,251,474,897.47
  5. Step 5: Solve for x
    x = 9,251,474,897.47/110,803.75
  6. Step 6: Final answer
    x = 83,494.24

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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.