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Finding the Fourth Proportional to 96,003.60, 144,005.40 and 89,442.60

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Solution

The fourth proportional to 96,003.60, 144,005.40 and 89,442.60 is: 134,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,003.60 : 144,005.40 = 89,442.60 : x
  2. Step 2: Convert to fraction form
    96,003.60/144,005.40 = 89,442.60/x
  3. Step 3: Cross multiply
    96,003.60x = 144,005.40 × 89,442.60
  4. Step 4: Simplify right side
    96,003.60x = 12,880,217,390.04
  5. Step 5: Solve for x
    x = 12,880,217,390.04/96,003.60
  6. Step 6: Final answer
    x = 134,163.90

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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.