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Finding the Fourth Proportional to 157,402.80, 236,104.20 and 147,034.80

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Solution

The fourth proportional to 157,402.80, 236,104.20 and 147,034.80 is: 220,552.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,402.80 : 236,104.20 = 147,034.80 : x
  2. Step 2: Convert to fraction form
    157,402.80/236,104.20 = 147,034.80/x
  3. Step 3: Cross multiply
    157,402.80x = 236,104.20 × 147,034.80
  4. Step 4: Simplify right side
    157,402.80x = 34,715,533,826.16
  5. Step 5: Solve for x
    x = 34,715,533,826.16/157,402.80
  6. Step 6: Final answer
    x = 220,552.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.