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Finding the Fourth Proportional to 220,555.66, 304,366.80 and 125,062.33

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Solution

The fourth proportional to 220,555.66, 304,366.80 and 125,062.33 is: 172,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,555.66 : 304,366.80 = 125,062.33 : x
  2. Step 2: Convert to fraction form
    220,555.66/304,366.80 = 125,062.33/x
  3. Step 3: Cross multiply
    220,555.66x = 304,366.80 × 125,062.33
  4. Step 4: Simplify right side
    220,555.66x = 38,064,821,182.64
  5. Step 5: Solve for x
    x = 38,064,821,182.64/220,555.66
  6. Step 6: Final answer
    x = 172,586.01

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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.