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Finding the Fourth Proportional to 117,353.80, 176,030.70 and 73,030.60

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Solution

The fourth proportional to 117,353.80, 176,030.70 and 73,030.60 is: 109,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,353.80 : 176,030.70 = 73,030.60 : x
  2. Step 2: Convert to fraction form
    117,353.80/176,030.70 = 73,030.60/x
  3. Step 3: Cross multiply
    117,353.80x = 176,030.70 × 73,030.60
  4. Step 4: Simplify right side
    117,353.80x = 12,855,627,639.42
  5. Step 5: Solve for x
    x = 12,855,627,639.42/117,353.80
  6. Step 6: Final answer
    x = 109,545.90

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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.