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Finding the Fourth Proportional to 110,966, 153,133.62 and 60,665

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Solution

The fourth proportional to 110,966, 153,133.62 and 60,665 is: 83,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,966 : 153,133.62 = 60,665 : x
  2. Step 2: Convert to fraction form
    110,966/153,133.62 = 60,665/x
  3. Step 3: Cross multiply
    110,966x = 153,133.62 × 60,665
  4. Step 4: Simplify right side
    110,966x = 9,289,851,057.30
  5. Step 5: Solve for x
    x = 9,289,851,057.30/110,966
  6. Step 6: Final answer
    x = 83,718.00

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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.