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Finding the Fourth Proportional to 176,377.30, 243,420.86 and 98,873.87

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Solution

The fourth proportional to 176,377.30, 243,420.86 and 98,873.87 is: 136,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,377.30 : 243,420.86 = 98,873.87 : x
  2. Step 2: Convert to fraction form
    176,377.30/243,420.86 = 98,873.87/x
  3. Step 3: Cross multiply
    176,377.30x = 243,420.86 × 98,873.87
  4. Step 4: Simplify right side
    176,377.30x = 24,067,962,581.11
  5. Step 5: Solve for x
    x = 24,067,962,581.11/176,377.30
  6. Step 6: Final answer
    x = 136,457.26

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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.