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Finding the Fourth Proportional to 154,363.32, 231,411.87 and 59,659.94

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Solution

The fourth proportional to 154,363.32, 231,411.87 and 59,659.94 is: 89,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,363.32 : 231,411.87 = 59,659.94 : x
  2. Step 2: Convert to fraction form
    154,363.32/231,411.87 = 59,659.94/x
  3. Step 3: Cross multiply
    154,363.32x = 231,411.87 × 59,659.94
  4. Step 4: Simplify right side
    154,363.32x = 13,806,018,858.02
  5. Step 5: Solve for x
    x = 13,806,018,858.02/154,363.32
  6. Step 6: Final answer
    x = 89,438.47

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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.