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Finding the Fourth Proportional to 179,457.59, 247,642.52 and 98,872.11

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Solution

The fourth proportional to 179,457.59, 247,642.52 and 98,872.11 is: 136,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,457.59 : 247,642.52 = 98,872.11 : x
  2. Step 2: Convert to fraction form
    179,457.59/247,642.52 = 98,872.11/x
  3. Step 3: Cross multiply
    179,457.59x = 247,642.52 × 98,872.11
  4. Step 4: Simplify right side
    179,457.59x = 24,484,937,983.76
  5. Step 5: Solve for x
    x = 24,484,937,983.76/179,457.59
  6. Step 6: Final answer
    x = 136,438.57

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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.