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Finding the Fourth Proportional to 119,756.71, 179,688.17 and 63,583.28

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Solution

The fourth proportional to 119,756.71, 179,688.17 and 63,583.28 is: 95,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,756.71 : 179,688.17 = 63,583.28 : x
  2. Step 2: Convert to fraction form
    119,756.71/179,688.17 = 63,583.28/x
  3. Step 3: Cross multiply
    119,756.71x = 179,688.17 × 63,583.28
  4. Step 4: Simplify right side
    119,756.71x = 11,425,163,160.15
  5. Step 5: Solve for x
    x = 11,425,163,160.15/119,756.71
  6. Step 6: Final answer
    x = 95,403.11

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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.