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Finding the Fourth Proportional to 61,521.64, 92,206.32 and 43,723.93

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Solution

The fourth proportional to 61,521.64, 92,206.32 and 43,723.93 is: 65,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,521.64 : 92,206.32 = 43,723.93 : x
  2. Step 2: Convert to fraction form
    61,521.64/92,206.32 = 43,723.93/x
  3. Step 3: Cross multiply
    61,521.64x = 92,206.32 × 43,723.93
  4. Step 4: Simplify right side
    61,521.64x = 4,031,622,681.24
  5. Step 5: Solve for x
    x = 4,031,622,681.24/61,521.64
  6. Step 6: Final answer
    x = 65,531.78

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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.