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Finding the Fourth Proportional to 92,319.93, 127,401.44 and 49,878.45

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Solution

The fourth proportional to 92,319.93, 127,401.44 and 49,878.45 is: 68,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,319.93 : 127,401.44 = 49,878.45 : x
  2. Step 2: Convert to fraction form
    92,319.93/127,401.44 = 49,878.45/x
  3. Step 3: Cross multiply
    92,319.93x = 127,401.44 × 49,878.45
  4. Step 4: Simplify right side
    92,319.93x = 6,354,586,105.58
  5. Step 5: Solve for x
    x = 6,354,586,105.58/92,319.93
  6. Step 6: Final answer
    x = 68,832.22

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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.