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Finding the Fourth Proportional to 71,243.04, 98,360.12 and 45,759.68

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Solution

The fourth proportional to 71,243.04, 98,360.12 and 45,759.68 is: 63,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,243.04 : 98,360.12 = 45,759.68 : x
  2. Step 2: Convert to fraction form
    71,243.04/98,360.12 = 45,759.68/x
  3. Step 3: Cross multiply
    71,243.04x = 98,360.12 × 45,759.68
  4. Step 4: Simplify right side
    71,243.04x = 4,500,927,615.96
  5. Step 5: Solve for x
    x = 4,500,927,615.96/71,243.04
  6. Step 6: Final answer
    x = 63,177.09

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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.