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Finding the Fourth Proportional to 175,955.32, 243,018.87 and 119,268.28

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Solution

The fourth proportional to 175,955.32, 243,018.87 and 119,268.28 is: 164,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,955.32 : 243,018.87 = 119,268.28 : x
  2. Step 2: Convert to fraction form
    175,955.32/243,018.87 = 119,268.28/x
  3. Step 3: Cross multiply
    175,955.32x = 243,018.87 × 119,268.28
  4. Step 4: Simplify right side
    175,955.32x = 28,984,442,632.44
  5. Step 5: Solve for x
    x = 28,984,442,632.44/175,955.32
  6. Step 6: Final answer
    x = 164,726.15

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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.