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Finding the Fourth Proportional to 144,023.40, 216,132.30 and 93,981.60

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Solution

The fourth proportional to 144,023.40, 216,132.30 and 93,981.60 is: 141,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,023.40 : 216,132.30 = 93,981.60 : x
  2. Step 2: Convert to fraction form
    144,023.40/216,132.30 = 93,981.60/x
  3. Step 3: Cross multiply
    144,023.40x = 216,132.30 × 93,981.60
  4. Step 4: Simplify right side
    144,023.40x = 20,312,459,365.68
  5. Step 5: Solve for x
    x = 20,312,459,365.68/144,023.40
  6. Step 6: Final answer
    x = 141,035.83

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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.