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Finding the Fourth Proportional to 113,460.78, 170,191.17 and 113,296.80

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Solution

The fourth proportional to 113,460.78, 170,191.17 and 113,296.80 is: 169,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,460.78 : 170,191.17 = 113,296.80 : x
  2. Step 2: Convert to fraction form
    113,460.78/170,191.17 = 113,296.80/x
  3. Step 3: Cross multiply
    113,460.78x = 170,191.17 × 113,296.80
  4. Step 4: Simplify right side
    113,460.78x = 19,282,114,949.26
  5. Step 5: Solve for x
    x = 19,282,114,949.26/113,460.78
  6. Step 6: Final answer
    x = 169,945.20

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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.