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Finding the Fourth Proportional to 92,379, 127,483.10 and 49,937.53

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Solution

The fourth proportional to 92,379, 127,483.10 and 49,937.53 is: 68,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,379 : 127,483.10 = 49,937.53 : x
  2. Step 2: Convert to fraction form
    92,379/127,483.10 = 49,937.53/x
  3. Step 3: Cross multiply
    92,379x = 127,483.10 × 49,937.53
  4. Step 4: Simplify right side
    92,379x = 6,366,191,130.74
  5. Step 5: Solve for x
    x = 6,366,191,130.74/92,379
  6. Step 6: Final answer
    x = 68,913.83

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1.5x scale

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.