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Finding the Fourth Proportional to 111,700.44, 154,147.65 and 60,713.30

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Solution

The fourth proportional to 111,700.44, 154,147.65 and 60,713.30 is: 83,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,700.44 : 154,147.65 = 60,713.30 : x
  2. Step 2: Convert to fraction form
    111,700.44/154,147.65 = 60,713.30/x
  3. Step 3: Cross multiply
    111,700.44x = 154,147.65 × 60,713.30
  4. Step 4: Simplify right side
    111,700.44x = 9,358,811,748.01
  5. Step 5: Solve for x
    x = 9,358,811,748.01/111,700.44
  6. Step 6: Final answer
    x = 83,784.91

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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.