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Finding the Fourth Proportional to 160,356.04, 221,288.02 and 88,736.02

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Solution

The fourth proportional to 160,356.04, 221,288.02 and 88,736.02 is: 122,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,356.04 : 221,288.02 = 88,736.02 : x
  2. Step 2: Convert to fraction form
    160,356.04/221,288.02 = 88,736.02/x
  3. Step 3: Cross multiply
    160,356.04x = 221,288.02 × 88,736.02
  4. Step 4: Simplify right side
    160,356.04x = 19,636,218,168.48
  5. Step 5: Solve for x
    x = 19,636,218,168.48/160,356.04
  6. Step 6: Final answer
    x = 122,453.87

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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.