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Finding the Fourth Proportional to 114,682.10, 172,023.15 and 88,438.10

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Solution

The fourth proportional to 114,682.10, 172,023.15 and 88,438.10 is: 132,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,682.10 : 172,023.15 = 88,438.10 : x
  2. Step 2: Convert to fraction form
    114,682.10/172,023.15 = 88,438.10/x
  3. Step 3: Cross multiply
    114,682.10x = 172,023.15 × 88,438.10
  4. Step 4: Simplify right side
    114,682.10x = 15,213,400,542.02
  5. Step 5: Solve for x
    x = 15,213,400,542.02/114,682.10
  6. Step 6: Final answer
    x = 132,657.15

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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.