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Finding the Fourth Proportional to 96,317.60, 133,050.48 and 87,375.20

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Solution

The fourth proportional to 96,317.60, 133,050.48 and 87,375.20 is: 120,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,317.60 : 133,050.48 = 87,375.20 : x
  2. Step 2: Convert to fraction form
    96,317.60/133,050.48 = 87,375.20/x
  3. Step 3: Cross multiply
    96,317.60x = 133,050.48 × 87,375.20
  4. Step 4: Simplify right side
    96,317.60x = 11,625,312,300.10
  5. Step 5: Solve for x
    x = 11,625,312,300.10/96,317.60
  6. Step 6: Final answer
    x = 120,697.69

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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.