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Finding the Fourth Proportional to 124,416.60, 171,697.49 and 69,969.81

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Solution

The fourth proportional to 124,416.60, 171,697.49 and 69,969.81 is: 96,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416.60 : 171,697.49 = 69,969.81 : x
  2. Step 2: Convert to fraction form
    124,416.60/171,697.49 = 69,969.81/x
  3. Step 3: Cross multiply
    124,416.60x = 171,697.49 × 69,969.81
  4. Step 4: Simplify right side
    124,416.60x = 12,013,640,402.93
  5. Step 5: Solve for x
    x = 12,013,640,402.93/124,416.60
  6. Step 6: Final answer
    x = 96,559.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.