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Finding the Fourth Proportional to 107,095.48, 160,610.01 and 85,985.80

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Solution

The fourth proportional to 107,095.48, 160,610.01 and 85,985.80 is: 128,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,095.48 : 160,610.01 = 85,985.80 : x
  2. Step 2: Convert to fraction form
    107,095.48/160,610.01 = 85,985.80/x
  3. Step 3: Cross multiply
    107,095.48x = 160,610.01 × 85,985.80
  4. Step 4: Simplify right side
    107,095.48x = 13,810,180,197.86
  5. Step 5: Solve for x
    x = 13,810,180,197.86/107,095.48
  6. Step 6: Final answer
    x = 128,952.04

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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.