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Finding the Fourth Proportional to 65,118.80, 97,710.60 and 37,060.40

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Solution

The fourth proportional to 65,118.80, 97,710.60 and 37,060.40 is: 55,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,118.80 : 97,710.60 = 37,060.40 : x
  2. Step 2: Convert to fraction form
    65,118.80/97,710.60 = 37,060.40/x
  3. Step 3: Cross multiply
    65,118.80x = 97,710.60 × 37,060.40
  4. Step 4: Simplify right side
    65,118.80x = 3,621,193,920.24
  5. Step 5: Solve for x
    x = 3,621,193,920.24/65,118.80
  6. Step 6: Final answer
    x = 55,609.04

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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.