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Finding the Fourth Proportional to 92,314.91, 127,345.73 and 63,585.16

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Solution

The fourth proportional to 92,314.91, 127,345.73 and 63,585.16 is: 87,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,314.91 : 127,345.73 = 63,585.16 : x
  2. Step 2: Convert to fraction form
    92,314.91/127,345.73 = 63,585.16/x
  3. Step 3: Cross multiply
    92,314.91x = 127,345.73 × 63,585.16
  4. Step 4: Simplify right side
    92,314.91x = 8,097,297,981.08
  5. Step 5: Solve for x
    x = 8,097,297,981.08/92,314.91
  6. Step 6: Final answer
    x = 87,713.87

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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.