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Finding the Fourth Proportional to 110,726.70, 152,802.09 and 60,425.70

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Solution

The fourth proportional to 110,726.70, 152,802.09 and 60,425.70 is: 83,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,726.70 : 152,802.09 = 60,425.70 : x
  2. Step 2: Convert to fraction form
    110,726.70/152,802.09 = 60,425.70/x
  3. Step 3: Cross multiply
    110,726.70x = 152,802.09 × 60,425.70
  4. Step 4: Simplify right side
    110,726.70x = 9,233,173,249.71
  5. Step 5: Solve for x
    x = 9,233,173,249.71/110,726.70
  6. Step 6: Final answer
    x = 83,387.05

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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.