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Finding the Fourth Proportional to 111,062.07, 153,265.75 and 60,761.07

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Solution

The fourth proportional to 111,062.07, 153,265.75 and 60,761.07 is: 83,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,062.07 : 153,265.75 = 60,761.07 : x
  2. Step 2: Convert to fraction form
    111,062.07/153,265.75 = 60,761.07/x
  3. Step 3: Cross multiply
    111,062.07x = 153,265.75 × 60,761.07
  4. Step 4: Simplify right side
    111,062.07x = 9,312,590,198.02
  5. Step 5: Solve for x
    x = 9,312,590,198.02/111,062.07
  6. Step 6: Final answer
    x = 83,850.32

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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.