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Finding the Fourth Proportional to 117,833.38, 176,777.75 and 38,947.60

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Solution

The fourth proportional to 117,833.38, 176,777.75 and 38,947.60 is: 58,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,833.38 : 176,777.75 = 38,947.60 : x
  2. Step 2: Convert to fraction form
    117,833.38/176,777.75 = 38,947.60/x
  3. Step 3: Cross multiply
    117,833.38x = 176,777.75 × 38,947.60
  4. Step 4: Simplify right side
    117,833.38x = 6,885,068,459.22
  5. Step 5: Solve for x
    x = 6,885,068,459.22/117,833.38
  6. Step 6: Final answer
    x = 58,430.54

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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.