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Finding the Fourth Proportional to 110,777.90, 152,872.72 and 60,476.90

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Solution

The fourth proportional to 110,777.90, 152,872.72 and 60,476.90 is: 83,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,777.90 : 152,872.72 = 60,476.90 : x
  2. Step 2: Convert to fraction form
    110,777.90/152,872.72 = 60,476.90/x
  3. Step 3: Cross multiply
    110,777.90x = 152,872.72 × 60,476.90
  4. Step 4: Simplify right side
    110,777.90x = 9,245,267,284.61
  5. Step 5: Solve for x
    x = 9,245,267,284.61/110,777.90
  6. Step 6: Final answer
    x = 83,457.69

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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.