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Finding the Fourth Proportional to 115,506.60, 173,130.30 and 65,610.60

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Solution

The fourth proportional to 115,506.60, 173,130.30 and 65,610.60 is: 98,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,506.60 : 173,130.30 = 65,610.60 : x
  2. Step 2: Convert to fraction form
    115,506.60/173,130.30 = 65,610.60/x
  3. Step 3: Cross multiply
    115,506.60x = 173,130.30 × 65,610.60
  4. Step 4: Simplify right side
    115,506.60x = 11,359,182,861.18
  5. Step 5: Solve for x
    x = 11,359,182,861.18/115,506.60
  6. Step 6: Final answer
    x = 98,342.28

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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.