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Finding the Fourth Proportional to 100,862.10, 151,293.15 and 94,301.10

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Solution

The fourth proportional to 100,862.10, 151,293.15 and 94,301.10 is: 141,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,862.10 : 151,293.15 = 94,301.10 : x
  2. Step 2: Convert to fraction form
    100,862.10/151,293.15 = 94,301.10/x
  3. Step 3: Cross multiply
    100,862.10x = 151,293.15 × 94,301.10
  4. Step 4: Simplify right side
    100,862.10x = 14,267,110,467.47
  5. Step 5: Solve for x
    x = 14,267,110,467.47/100,862.10
  6. Step 6: Final answer
    x = 141,451.65

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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.