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Finding the Fourth Proportional to 159,912.61, 240,154.81 and 153,483.83

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Solution

The fourth proportional to 159,912.61, 240,154.81 and 153,483.83 is: 230,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,912.61 : 240,154.81 = 153,483.83 : x
  2. Step 2: Convert to fraction form
    159,912.61/240,154.81 = 153,483.83/x
  3. Step 3: Cross multiply
    159,912.61x = 240,154.81 × 153,483.83
  4. Step 4: Simplify right side
    159,912.61x = 36,859,880,031.72
  5. Step 5: Solve for x
    x = 36,859,880,031.72/159,912.61
  6. Step 6: Final answer
    x = 230,500.15

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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.