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Finding the Fourth Proportional to 92,339.41, 127,438.52 and 53,585.77

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Solution

The fourth proportional to 92,339.41, 127,438.52 and 53,585.77 is: 73,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,339.41 : 127,438.52 = 53,585.77 : x
  2. Step 2: Convert to fraction form
    92,339.41/127,438.52 = 53,585.77/x
  3. Step 3: Cross multiply
    92,339.41x = 127,438.52 × 53,585.77
  4. Step 4: Simplify right side
    92,339.41x = 6,828,890,874.28
  5. Step 5: Solve for x
    x = 6,828,890,874.28/92,339.41
  6. Step 6: Final answer
    x = 73,954.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.