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Finding the Fourth Proportional to 113,324.80, 170,003.40 and 38,448.40

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Solution

The fourth proportional to 113,324.80, 170,003.40 and 38,448.40 is: 57,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,324.80 : 170,003.40 = 38,448.40 : x
  2. Step 2: Convert to fraction form
    113,324.80/170,003.40 = 38,448.40/x
  3. Step 3: Cross multiply
    113,324.80x = 170,003.40 × 38,448.40
  4. Step 4: Simplify right side
    113,324.80x = 6,536,358,724.56
  5. Step 5: Solve for x
    x = 6,536,358,724.56/113,324.80
  6. Step 6: Final answer
    x = 57,678.10

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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.