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Finding the Fourth Proportional to 176,376.32, 243,258.48 and 116,008.88

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Solution

The fourth proportional to 176,376.32, 243,258.48 and 116,008.88 is: 159,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,376.32 : 243,258.48 = 116,008.88 : x
  2. Step 2: Convert to fraction form
    176,376.32/243,258.48 = 116,008.88/x
  3. Step 3: Cross multiply
    176,376.32x = 243,258.48 × 116,008.88
  4. Step 4: Simplify right side
    176,376.32x = 28,220,143,815.30
  5. Step 5: Solve for x
    x = 28,220,143,815.30/176,376.32
  6. Step 6: Final answer
    x = 159,999.62

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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.