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Finding the Fourth Proportional to 60,261, 90,423.06 and 43,757.34

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Solution

The fourth proportional to 60,261, 90,423.06 and 43,757.34 is: 65,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,261 : 90,423.06 = 43,757.34 : x
  2. Step 2: Convert to fraction form
    60,261/90,423.06 = 43,757.34/x
  3. Step 3: Cross multiply
    60,261x = 90,423.06 × 43,757.34
  4. Step 4: Simplify right side
    60,261x = 3,956,672,580.26
  5. Step 5: Solve for x
    x = 3,956,672,580.26/60,261
  6. Step 6: Final answer
    x = 65,658.93

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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.