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Finding the Fourth Proportional to 220,306.63, 330,477.45 and 93,947.95

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Solution

The fourth proportional to 220,306.63, 330,477.45 and 93,947.95 is: 140,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,306.63 : 330,477.45 = 93,947.95 : x
  2. Step 2: Convert to fraction form
    220,306.63/330,477.45 = 93,947.95/x
  3. Step 3: Cross multiply
    220,306.63x = 330,477.45 × 93,947.95
  4. Step 4: Simplify right side
    220,306.63x = 31,047,679,774.92
  5. Step 5: Solve for x
    x = 31,047,679,774.92/220,306.63
  6. Step 6: Final answer
    x = 140,929.40

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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.