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Finding the Fourth Proportional to 220,848.84, 304,779.78 and 125,359.56

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Solution

The fourth proportional to 220,848.84, 304,779.78 and 125,359.56 is: 173,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,848.84 : 304,779.78 = 125,359.56 : x
  2. Step 2: Convert to fraction form
    220,848.84/304,779.78 = 125,359.56/x
  3. Step 3: Cross multiply
    220,848.84x = 304,779.78 × 125,359.56
  4. Step 4: Simplify right side
    220,848.84x = 38,207,059,117.70
  5. Step 5: Solve for x
    x = 38,207,059,117.70/220,848.84
  6. Step 6: Final answer
    x = 173,000.95

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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.