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Finding the Fourth Proportional to 61,405.11, 92,050.15 and 55,927.08

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Solution

The fourth proportional to 61,405.11, 92,050.15 and 55,927.08 is: 83,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,405.11 : 92,050.15 = 55,927.08 : x
  2. Step 2: Convert to fraction form
    61,405.11/92,050.15 = 55,927.08/x
  3. Step 3: Cross multiply
    61,405.11x = 92,050.15 × 55,927.08
  4. Step 4: Simplify right side
    61,405.11x = 5,148,096,103.06
  5. Step 5: Solve for x
    x = 5,148,096,103.06/61,405.11
  6. Step 6: Final answer
    x = 83,838.24

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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.