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Finding the Fourth Proportional to 153,280.01, 211,531.30 and 95,900.96

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Solution

The fourth proportional to 153,280.01, 211,531.30 and 95,900.96 is: 132,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,280.01 : 211,531.30 = 95,900.96 : x
  2. Step 2: Convert to fraction form
    153,280.01/211,531.30 = 95,900.96/x
  3. Step 3: Cross multiply
    153,280.01x = 211,531.30 × 95,900.96
  4. Step 4: Simplify right side
    153,280.01x = 20,286,055,029.12
  5. Step 5: Solve for x
    x = 20,286,055,029.12/153,280.01
  6. Step 6: Final answer
    x = 132,346.38

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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.