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Finding the Fourth Proportional to 92,893.48, 139,339.58 and 37,488.68

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Solution

The fourth proportional to 92,893.48, 139,339.58 and 37,488.68 is: 56,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.48 : 139,339.58 = 37,488.68 : x
  2. Step 2: Convert to fraction form
    92,893.48/139,339.58 = 37,488.68/x
  3. Step 3: Cross multiply
    92,893.48x = 139,339.58 × 37,488.68
  4. Step 4: Simplify right side
    92,893.48x = 5,223,656,925.95
  5. Step 5: Solve for x
    x = 5,223,656,925.95/92,893.48
  6. Step 6: Final answer
    x = 56,232.76

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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.