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Finding the Fourth Proportional to 119,606.76, 179,347.85 and 56,409.91

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Solution

The fourth proportional to 119,606.76, 179,347.85 and 56,409.91 is: 84,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,606.76 : 179,347.85 = 56,409.91 : x
  2. Step 2: Convert to fraction form
    119,606.76/179,347.85 = 56,409.91/x
  3. Step 3: Cross multiply
    119,606.76x = 179,347.85 × 56,409.91
  4. Step 4: Simplify right side
    119,606.76x = 10,116,996,077.19
  5. Step 5: Solve for x
    x = 10,116,996,077.19/119,606.76
  6. Step 6: Final answer
    x = 84,585.49

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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.