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Finding the Fourth Proportional to 155,596.90, 232,812.15 and 103,108.90

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Solution

The fourth proportional to 155,596.90, 232,812.15 and 103,108.90 is: 154,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,596.90 : 232,812.15 = 103,108.90 : x
  2. Step 2: Convert to fraction form
    155,596.90/232,812.15 = 103,108.90/x
  3. Step 3: Cross multiply
    155,596.90x = 232,812.15 × 103,108.90
  4. Step 4: Simplify right side
    155,596.90x = 24,005,004,693.14
  5. Step 5: Solve for x
    x = 24,005,004,693.14/155,596.90
  6. Step 6: Final answer
    x = 154,276.88

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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.