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Finding the Fourth Proportional to 92,877.95, 139,315.44 and 36,718.58

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Solution

The fourth proportional to 92,877.95, 139,315.44 and 36,718.58 is: 55,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.95 : 139,315.44 = 36,718.58 : x
  2. Step 2: Convert to fraction form
    92,877.95/139,315.44 = 36,718.58/x
  3. Step 3: Cross multiply
    92,877.95x = 139,315.44 × 36,718.58
  4. Step 4: Simplify right side
    92,877.95x = 5,115,464,248.71
  5. Step 5: Solve for x
    x = 5,115,464,248.71/92,877.95
  6. Step 6: Final answer
    x = 55,077.27

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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.