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Finding the Fourth Proportional to 106,931.60, 160,656.60 and 95,526.80

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Solution

The fourth proportional to 106,931.60, 160,656.60 and 95,526.80 is: 143,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931.60 : 160,656.60 = 95,526.80 : x
  2. Step 2: Convert to fraction form
    106,931.60/160,656.60 = 95,526.80/x
  3. Step 3: Cross multiply
    106,931.60x = 160,656.60 × 95,526.80
  4. Step 4: Simplify right side
    106,931.60x = 15,347,010,896.88
  5. Step 5: Solve for x
    x = 15,347,010,896.88/106,931.60
  6. Step 6: Final answer
    x = 143,521.75

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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.