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Finding the Fourth Proportional to 92,027.84, 137,960.16 and 54,495.68

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Solution

The fourth proportional to 92,027.84, 137,960.16 and 54,495.68 is: 81,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,027.84 : 137,960.16 = 54,495.68 : x
  2. Step 2: Convert to fraction form
    92,027.84/137,960.16 = 54,495.68/x
  3. Step 3: Cross multiply
    92,027.84x = 137,960.16 × 54,495.68
  4. Step 4: Simplify right side
    92,027.84x = 7,518,232,732.11
  5. Step 5: Solve for x
    x = 7,518,232,732.11/92,027.84
  6. Step 6: Final answer
    x = 81,695.20

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1.5x scale

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.