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Finding the Fourth Proportional to 71,835.66, 107,527.50 and 52,108.92

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Solution

The fourth proportional to 71,835.66, 107,527.50 and 52,108.92 is: 77,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,835.66 : 107,527.50 = 52,108.92 : x
  2. Step 2: Convert to fraction form
    71,835.66/107,527.50 = 52,108.92/x
  3. Step 3: Cross multiply
    71,835.66x = 107,527.50 × 52,108.92
  4. Step 4: Simplify right side
    71,835.66x = 5,603,141,895.30
  5. Step 5: Solve for x
    x = 5,603,141,895.30/71,835.66
  6. Step 6: Final answer
    x = 77,999.45

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1.5x scale

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.