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Finding the Fourth Proportional to 113,492.48, 170,251.44 and 38,620.48

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Solution

The fourth proportional to 113,492.48, 170,251.44 and 38,620.48 is: 57,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,492.48 : 170,251.44 = 38,620.48 : x
  2. Step 2: Convert to fraction form
    113,492.48/170,251.44 = 38,620.48/x
  3. Step 3: Cross multiply
    113,492.48x = 170,251.44 × 38,620.48
  4. Step 4: Simplify right side
    113,492.48x = 6,575,192,333.49
  5. Step 5: Solve for x
    x = 6,575,192,333.49/113,492.48
  6. Step 6: Final answer
    x = 57,935.05

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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.