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Finding the Fourth Proportional to 111,204.48, 153,456.48 and 60,902.40

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Solution

The fourth proportional to 111,204.48, 153,456.48 and 60,902.40 is: 84,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,204.48 : 153,456.48 = 60,902.40 : x
  2. Step 2: Convert to fraction form
    111,204.48/153,456.48 = 60,902.40/x
  3. Step 3: Cross multiply
    111,204.48x = 153,456.48 × 60,902.40
  4. Step 4: Simplify right side
    111,204.48x = 9,345,867,927.55
  5. Step 5: Solve for x
    x = 9,345,867,927.55/111,204.48
  6. Step 6: Final answer
    x = 84,042.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.