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Finding the Fourth Proportional to 100,859.60, 151,289.40 and 96,266.90

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Solution

The fourth proportional to 100,859.60, 151,289.40 and 96,266.90 is: 144,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,859.60 : 151,289.40 = 96,266.90 : x
  2. Step 2: Convert to fraction form
    100,859.60/151,289.40 = 96,266.90/x
  3. Step 3: Cross multiply
    100,859.60x = 151,289.40 × 96,266.90
  4. Step 4: Simplify right side
    100,859.60x = 14,564,161,540.86
  5. Step 5: Solve for x
    x = 14,564,161,540.86/100,859.60
  6. Step 6: Final answer
    x = 144,400.35

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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.