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Finding the Fourth Proportional to 92,278.66, 127,344.53 and 49,837.18

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Solution

The fourth proportional to 92,278.66, 127,344.53 and 49,837.18 is: 68,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,278.66 : 127,344.53 = 49,837.18 : x
  2. Step 2: Convert to fraction form
    92,278.66/127,344.53 = 49,837.18/x
  3. Step 3: Cross multiply
    92,278.66x = 127,344.53 × 49,837.18
  4. Step 4: Simplify right side
    92,278.66x = 6,346,492,263.63
  5. Step 5: Solve for x
    x = 6,346,492,263.63/92,278.66
  6. Step 6: Final answer
    x = 68,775.30

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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.