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Finding the Fourth Proportional to 89,879.40, 134,835.30 and 37,294.20

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Solution

The fourth proportional to 89,879.40, 134,835.30 and 37,294.20 is: 55,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,879.40 : 134,835.30 = 37,294.20 : x
  2. Step 2: Convert to fraction form
    89,879.40/134,835.30 = 37,294.20/x
  3. Step 3: Cross multiply
    89,879.40x = 134,835.30 × 37,294.20
  4. Step 4: Simplify right side
    89,879.40x = 5,028,574,645.26
  5. Step 5: Solve for x
    x = 5,028,574,645.26/89,879.40
  6. Step 6: Final answer
    x = 55,948.02

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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.