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Finding the Fourth Proportional to 110,634.66, 152,700.01 and 70,340.55

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Solution

The fourth proportional to 110,634.66, 152,700.01 and 70,340.55 is: 97,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,634.66 : 152,700.01 = 70,340.55 : x
  2. Step 2: Convert to fraction form
    110,634.66/152,700.01 = 70,340.55/x
  3. Step 3: Cross multiply
    110,634.66x = 152,700.01 × 70,340.55
  4. Step 4: Simplify right side
    110,634.66x = 10,741,002,336.70
  5. Step 5: Solve for x
    x = 10,741,002,336.70/110,634.66
  6. Step 6: Final answer
    x = 97,085.33

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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.