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Finding the Fourth Proportional to 110,489.76, 152,470.62 and 62,736.76

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Solution

The fourth proportional to 110,489.76, 152,470.62 and 62,736.76 is: 86,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,489.76 : 152,470.62 = 62,736.76 : x
  2. Step 2: Convert to fraction form
    110,489.76/152,470.62 = 62,736.76/x
  3. Step 3: Cross multiply
    110,489.76x = 152,470.62 × 62,736.76
  4. Step 4: Simplify right side
    110,489.76x = 9,565,512,693.99
  5. Step 5: Solve for x
    x = 9,565,512,693.99/110,489.76
  6. Step 6: Final answer
    x = 86,573.75

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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.