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Finding the Fourth Proportional to 109,950.60, 164,925.90 and 96,391.20

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Solution

The fourth proportional to 109,950.60, 164,925.90 and 96,391.20 is: 144,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,950.60 : 164,925.90 = 96,391.20 : x
  2. Step 2: Convert to fraction form
    109,950.60/164,925.90 = 96,391.20/x
  3. Step 3: Cross multiply
    109,950.60x = 164,925.90 × 96,391.20
  4. Step 4: Simplify right side
    109,950.60x = 15,897,405,412.08
  5. Step 5: Solve for x
    x = 15,897,405,412.08/109,950.60
  6. Step 6: Final answer
    x = 144,586.80

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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.