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Finding the Fourth Proportional to 110,962, 153,127.56 and 60,661

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Solution

The fourth proportional to 110,962, 153,127.56 and 60,661 is: 83,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,962 : 153,127.56 = 60,661 : x
  2. Step 2: Convert to fraction form
    110,962/153,127.56 = 60,661/x
  3. Step 3: Cross multiply
    110,962x = 153,127.56 × 60,661
  4. Step 4: Simplify right side
    110,962x = 9,288,870,917.16
  5. Step 5: Solve for x
    x = 9,288,870,917.16/110,962
  6. Step 6: Final answer
    x = 83,712.18

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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.