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Finding the Fourth Proportional to 113,082.48, 170,686.44 and 113,082.48

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Solution

The fourth proportional to 113,082.48, 170,686.44 and 113,082.48 is: 170,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,082.48 : 170,686.44 = 113,082.48 : x
  2. Step 2: Convert to fraction form
    113,082.48/170,686.44 = 113,082.48/x
  3. Step 3: Cross multiply
    113,082.48x = 170,686.44 × 113,082.48
  4. Step 4: Simplify right side
    113,082.48x = 19,301,645,937.57
  5. Step 5: Solve for x
    x = 19,301,645,937.57/113,082.48
  6. Step 6: Final answer
    x = 170,686.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.