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Finding the Fourth Proportional to 147,181.65, 220,774.50 and 42,000.60

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Solution

The fourth proportional to 147,181.65, 220,774.50 and 42,000.60 is: 63,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,181.65 : 220,774.50 = 42,000.60 : x
  2. Step 2: Convert to fraction form
    147,181.65/220,774.50 = 42,000.60/x
  3. Step 3: Cross multiply
    147,181.65x = 220,774.50 × 42,000.60
  4. Step 4: Simplify right side
    147,181.65x = 9,272,661,464.70
  5. Step 5: Solve for x
    x = 9,272,661,464.70/147,181.65
  6. Step 6: Final answer
    x = 63,001.48

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1.5x scale

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.