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Finding the Fourth Proportional to 180,068.77, 248,488.20 and 99,494.56

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Solution

The fourth proportional to 180,068.77, 248,488.20 and 99,494.56 is: 137,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,068.77 : 248,488.20 = 99,494.56 : x
  2. Step 2: Convert to fraction form
    180,068.77/248,488.20 = 99,494.56/x
  3. Step 3: Cross multiply
    180,068.77x = 248,488.20 × 99,494.56
  4. Step 4: Simplify right side
    180,068.77x = 24,723,224,124.19
  5. Step 5: Solve for x
    x = 24,723,224,124.19/180,068.77
  6. Step 6: Final answer
    x = 137,298.79

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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.