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Finding the Fourth Proportional to 96,455.60, 144,683.40 and 89,697.20

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Solution

The fourth proportional to 96,455.60, 144,683.40 and 89,697.20 is: 134,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,455.60 : 144,683.40 = 89,697.20 : x
  2. Step 2: Convert to fraction form
    96,455.60/144,683.40 = 89,697.20/x
  3. Step 3: Cross multiply
    96,455.60x = 144,683.40 × 89,697.20
  4. Step 4: Simplify right side
    96,455.60x = 12,977,695,866.48
  5. Step 5: Solve for x
    x = 12,977,695,866.48/96,455.60
  6. Step 6: Final answer
    x = 134,545.80

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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.