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Finding the Fourth Proportional to 179,417, 247,595.46 and 99,929

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Solution

The fourth proportional to 179,417, 247,595.46 and 99,929 is: 137,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,417 : 247,595.46 = 99,929 : x
  2. Step 2: Convert to fraction form
    179,417/247,595.46 = 99,929/x
  3. Step 3: Cross multiply
    179,417x = 247,595.46 × 99,929
  4. Step 4: Simplify right side
    179,417x = 24,741,966,722.34
  5. Step 5: Solve for x
    x = 24,741,966,722.34/179,417
  6. Step 6: Final answer
    x = 137,902.02

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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.