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Finding the Fourth Proportional to 70,170.87, 96,853.47 and 45,064.11

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Solution

The fourth proportional to 70,170.87, 96,853.47 and 45,064.11 is: 62,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,170.87 : 96,853.47 = 45,064.11 : x
  2. Step 2: Convert to fraction form
    70,170.87/96,853.47 = 45,064.11/x
  3. Step 3: Cross multiply
    70,170.87x = 96,853.47 × 45,064.11
  4. Step 4: Simplify right side
    70,170.87x = 4,364,615,425.96
  5. Step 5: Solve for x
    x = 4,364,615,425.96/70,170.87
  6. Step 6: Final answer
    x = 62,199.82

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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.