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Finding the Fourth Proportional to 220,959.16, 304,925.73 and 125,467.86

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Solution

The fourth proportional to 220,959.16, 304,925.73 and 125,467.86 is: 173,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,959.16 : 304,925.73 = 125,467.86 : x
  2. Step 2: Convert to fraction form
    220,959.16/304,925.73 = 125,467.86/x
  3. Step 3: Cross multiply
    220,959.16x = 304,925.73 × 125,467.86
  4. Step 4: Simplify right side
    220,959.16x = 38,258,378,802.04
  5. Step 5: Solve for x
    x = 38,258,378,802.04/220,959.16
  6. Step 6: Final answer
    x = 173,146.83

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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.