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Finding the Fourth Proportional to 119,807.80, 179,711.70 and 36,701.80

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Solution

The fourth proportional to 119,807.80, 179,711.70 and 36,701.80 is: 55,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,807.80 : 179,711.70 = 36,701.80 : x
  2. Step 2: Convert to fraction form
    119,807.80/179,711.70 = 36,701.80/x
  3. Step 3: Cross multiply
    119,807.80x = 179,711.70 × 36,701.80
  4. Step 4: Simplify right side
    119,807.80x = 6,595,742,871.06
  5. Step 5: Solve for x
    x = 6,595,742,871.06/119,807.80
  6. Step 6: Final answer
    x = 55,052.70

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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.