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Finding the Fourth Proportional to 111,301.48, 153,596.12 and 61,000.48

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Solution

The fourth proportional to 111,301.48, 153,596.12 and 61,000.48 is: 84,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,301.48 : 153,596.12 = 61,000.48 : x
  2. Step 2: Convert to fraction form
    111,301.48/153,596.12 = 61,000.48/x
  3. Step 3: Cross multiply
    111,301.48x = 153,596.12 × 61,000.48
  4. Step 4: Simplify right side
    111,301.48x = 9,369,437,046.14
  5. Step 5: Solve for x
    x = 9,369,437,046.14/111,301.48
  6. Step 6: Final answer
    x = 84,180.70

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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.