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Finding the Fourth Proportional to 96,267.60, 144,401.40 and 40,856.40

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Solution

The fourth proportional to 96,267.60, 144,401.40 and 40,856.40 is: 61,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,267.60 : 144,401.40 = 40,856.40 : x
  2. Step 2: Convert to fraction form
    96,267.60/144,401.40 = 40,856.40/x
  3. Step 3: Cross multiply
    96,267.60x = 144,401.40 × 40,856.40
  4. Step 4: Simplify right side
    96,267.60x = 5,899,721,358.96
  5. Step 5: Solve for x
    x = 5,899,721,358.96/96,267.60
  6. Step 6: Final answer
    x = 61,284.60

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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.