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Finding the Fourth Proportional to 220,752.83, 304,639.49 and 125,259.27

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Solution

The fourth proportional to 220,752.83, 304,639.49 and 125,259.27 is: 172,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,752.83 : 304,639.49 = 125,259.27 : x
  2. Step 2: Convert to fraction form
    220,752.83/304,639.49 = 125,259.27/x
  3. Step 3: Cross multiply
    220,752.83x = 304,639.49 × 125,259.27
  4. Step 4: Simplify right side
    220,752.83x = 38,158,920,443.72
  5. Step 5: Solve for x
    x = 38,158,920,443.72/220,752.83
  6. Step 6: Final answer
    x = 172,858.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.