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Finding the Fourth Proportional to 153,064.56, 229,555.20 and 96,820.20

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Solution

The fourth proportional to 153,064.56, 229,555.20 and 96,820.20 is: 145,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,064.56 : 229,555.20 = 96,820.20 : x
  2. Step 2: Convert to fraction form
    153,064.56/229,555.20 = 96,820.20/x
  3. Step 3: Cross multiply
    153,064.56x = 229,555.20 × 96,820.20
  4. Step 4: Simplify right side
    153,064.56x = 22,225,580,375.04
  5. Step 5: Solve for x
    x = 22,225,580,375.04/153,064.56
  6. Step 6: Final answer
    x = 145,203.96

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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.