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Finding the Fourth Proportional to 92,378.97, 127,483.02 and 49,937.51

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Solution

The fourth proportional to 92,378.97, 127,483.02 and 49,937.51 is: 68,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,378.97 : 127,483.02 = 49,937.51 : x
  2. Step 2: Convert to fraction form
    92,378.97/127,483.02 = 49,937.51/x
  3. Step 3: Cross multiply
    92,378.97x = 127,483.02 × 49,937.51
  4. Step 4: Simplify right side
    92,378.97x = 6,366,184,904.79
  5. Step 5: Solve for x
    x = 6,366,184,904.79/92,378.97
  6. Step 6: Final answer
    x = 68,913.79

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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.