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Finding the Fourth Proportional to 117,298.83, 175,921.27 and 69,927.30

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Solution

The fourth proportional to 117,298.83, 175,921.27 and 69,927.30 is: 104,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,298.83 : 175,921.27 = 69,927.30 : x
  2. Step 2: Convert to fraction form
    117,298.83/175,921.27 = 69,927.30/x
  3. Step 3: Cross multiply
    117,298.83x = 175,921.27 × 69,927.30
  4. Step 4: Simplify right side
    117,298.83x = 12,301,699,248.85
  5. Step 5: Solve for x
    x = 12,301,699,248.85/117,298.83
  6. Step 6: Final answer
    x = 104,874.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.