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Finding the Fourth Proportional to 107,079.41, 147,769.76 and 58,673.64

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Solution

The fourth proportional to 107,079.41, 147,769.76 and 58,673.64 is: 80,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.41 : 147,769.76 = 58,673.64 : x
  2. Step 2: Convert to fraction form
    107,079.41/147,769.76 = 58,673.64/x
  3. Step 3: Cross multiply
    107,079.41x = 147,769.76 × 58,673.64
  4. Step 4: Simplify right side
    107,079.41x = 8,670,189,701.13
  5. Step 5: Solve for x
    x = 8,670,189,701.13/107,079.41
  6. Step 6: Final answer
    x = 80,969.72

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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.