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Finding the Fourth Proportional to 155,959.40, 233,939.10 and 144,149.60

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Solution

The fourth proportional to 155,959.40, 233,939.10 and 144,149.60 is: 216,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,959.40 : 233,939.10 = 144,149.60 : x
  2. Step 2: Convert to fraction form
    155,959.40/233,939.10 = 144,149.60/x
  3. Step 3: Cross multiply
    155,959.40x = 233,939.10 × 144,149.60
  4. Step 4: Simplify right side
    155,959.40x = 33,722,227,689.36
  5. Step 5: Solve for x
    x = 33,722,227,689.36/155,959.40
  6. Step 6: Final answer
    x = 216,224.40

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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.