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Finding the Fourth Proportional to 144,053.40, 216,080.10 and 109,061.40

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Solution

The fourth proportional to 144,053.40, 216,080.10 and 109,061.40 is: 163,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,053.40 : 216,080.10 = 109,061.40 : x
  2. Step 2: Convert to fraction form
    144,053.40/216,080.10 = 109,061.40/x
  3. Step 3: Cross multiply
    144,053.40x = 216,080.10 × 109,061.40
  4. Step 4: Simplify right side
    144,053.40x = 23,565,998,218.14
  5. Step 5: Solve for x
    x = 23,565,998,218.14/144,053.40
  6. Step 6: Final answer
    x = 163,592.10

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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.