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Finding the Fourth Proportional to 110,677.52, 152,730.48 and 65,370.20

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Solution

The fourth proportional to 110,677.52, 152,730.48 and 65,370.20 is: 90,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,677.52 : 152,730.48 = 65,370.20 : x
  2. Step 2: Convert to fraction form
    110,677.52/152,730.48 = 65,370.20/x
  3. Step 3: Cross multiply
    110,677.52x = 152,730.48 × 65,370.20
  4. Step 4: Simplify right side
    110,677.52x = 9,984,022,023.70
  5. Step 5: Solve for x
    x = 9,984,022,023.70/110,677.52
  6. Step 6: Final answer
    x = 90,208.22

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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.