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Finding the Fourth Proportional to 110,730.57, 152,819.45 and 65,423.22

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Solution

The fourth proportional to 110,730.57, 152,819.45 and 65,423.22 is: 90,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,730.57 : 152,819.45 = 65,423.22 : x
  2. Step 2: Convert to fraction form
    110,730.57/152,819.45 = 65,423.22/x
  3. Step 3: Cross multiply
    110,730.57x = 152,819.45 × 65,423.22
  4. Step 4: Simplify right side
    110,730.57x = 9,997,940,170.51
  5. Step 5: Solve for x
    x = 9,997,940,170.51/110,730.57
  6. Step 6: Final answer
    x = 90,290.70

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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.