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Finding the Fourth Proportional to 100,860.60, 151,290.90 and 96,267.90

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Solution

The fourth proportional to 100,860.60, 151,290.90 and 96,267.90 is: 144,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,860.60 : 151,290.90 = 96,267.90 : x
  2. Step 2: Convert to fraction form
    100,860.60/151,290.90 = 96,267.90/x
  3. Step 3: Cross multiply
    100,860.60x = 151,290.90 × 96,267.90
  4. Step 4: Simplify right side
    100,860.60x = 14,564,457,232.11
  5. Step 5: Solve for x
    x = 14,564,457,232.11/100,860.60
  6. Step 6: Final answer
    x = 144,401.85

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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.