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Finding the Fourth Proportional to 119,488.64, 179,343.72 and 60,365.93

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Solution

The fourth proportional to 119,488.64, 179,343.72 and 60,365.93 is: 90,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,488.64 : 179,343.72 = 60,365.93 : x
  2. Step 2: Convert to fraction form
    119,488.64/179,343.72 = 60,365.93/x
  3. Step 3: Cross multiply
    119,488.64x = 179,343.72 × 60,365.93
  4. Step 4: Simplify right side
    119,488.64x = 10,826,249,550.74
  5. Step 5: Solve for x
    x = 10,826,249,550.74/119,488.64
  6. Step 6: Final answer
    x = 90,604.85

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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.