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Finding the Fourth Proportional to 154,856.80, 232,128.30 and 104,941.90

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Solution

The fourth proportional to 154,856.80, 232,128.30 and 104,941.90 is: 157,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,856.80 : 232,128.30 = 104,941.90 : x
  2. Step 2: Convert to fraction form
    154,856.80/232,128.30 = 104,941.90/x
  3. Step 3: Cross multiply
    154,856.80x = 232,128.30 × 104,941.90
  4. Step 4: Simplify right side
    154,856.80x = 24,359,984,845.77
  5. Step 5: Solve for x
    x = 24,359,984,845.77/154,856.80
  6. Step 6: Final answer
    x = 157,306.52

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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.