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Finding the Fourth Proportional to 117,722.68, 162,452.85 and 64,005.84

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Solution

The fourth proportional to 117,722.68, 162,452.85 and 64,005.84 is: 88,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,722.68 : 162,452.85 = 64,005.84 : x
  2. Step 2: Convert to fraction form
    117,722.68/162,452.85 = 64,005.84/x
  3. Step 3: Cross multiply
    117,722.68x = 162,452.85 × 64,005.84
  4. Step 4: Simplify right side
    117,722.68x = 10,397,931,124.64
  5. Step 5: Solve for x
    x = 10,397,931,124.64/117,722.68
  6. Step 6: Final answer
    x = 88,325.64

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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.