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Finding the Fourth Proportional to 144,023.60, 216,035.40 and 94,257.20

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Solution

The fourth proportional to 144,023.60, 216,035.40 and 94,257.20 is: 141,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,023.60 : 216,035.40 = 94,257.20 : x
  2. Step 2: Convert to fraction form
    144,023.60/216,035.40 = 94,257.20/x
  3. Step 3: Cross multiply
    144,023.60x = 216,035.40 × 94,257.20
  4. Step 4: Simplify right side
    144,023.60x = 20,362,891,904.88
  5. Step 5: Solve for x
    x = 20,362,891,904.88/144,023.60
  6. Step 6: Final answer
    x = 141,385.80

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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.