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Finding the Fourth Proportional to 155,456.70, 232,893.45 and 144,959.10

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Solution

The fourth proportional to 155,456.70, 232,893.45 and 144,959.10 is: 217,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,456.70 : 232,893.45 = 144,959.10 : x
  2. Step 2: Convert to fraction form
    155,456.70/232,893.45 = 144,959.10/x
  3. Step 3: Cross multiply
    155,456.70x = 232,893.45 × 144,959.10
  4. Step 4: Simplify right side
    155,456.70x = 33,760,024,907.90
  5. Step 5: Solve for x
    x = 33,760,024,907.90/155,456.70
  6. Step 6: Final answer
    x = 217,166.74

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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.