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Finding the Fourth Proportional to 119,302.32, 178,982.76 and 59,359.08

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Solution

The fourth proportional to 119,302.32, 178,982.76 and 59,359.08 is: 89,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,302.32 : 178,982.76 = 59,359.08 : x
  2. Step 2: Convert to fraction form
    119,302.32/178,982.76 = 59,359.08/x
  3. Step 3: Cross multiply
    119,302.32x = 178,982.76 × 59,359.08
  4. Step 4: Simplify right side
    119,302.32x = 10,624,251,969.46
  5. Step 5: Solve for x
    x = 10,624,251,969.46/119,302.32
  6. Step 6: Final answer
    x = 89,053.19

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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.