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Finding the Fourth Proportional to 144,600.40, 216,641.40 and 123,864.40

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Solution

The fourth proportional to 144,600.40, 216,641.40 and 123,864.40 is: 185,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,600.40 : 216,641.40 = 123,864.40 : x
  2. Step 2: Convert to fraction form
    144,600.40/216,641.40 = 123,864.40/x
  3. Step 3: Cross multiply
    144,600.40x = 216,641.40 × 123,864.40
  4. Step 4: Simplify right side
    144,600.40x = 26,834,157,026.16
  5. Step 5: Solve for x
    x = 26,834,157,026.16/144,600.40
  6. Step 6: Final answer
    x = 185,574.57

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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.