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Finding the Fourth Proportional to 92,552.61, 127,723.40 and 54,312.72

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Solution

The fourth proportional to 92,552.61, 127,723.40 and 54,312.72 is: 74,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,552.61 : 127,723.40 = 54,312.72 : x
  2. Step 2: Convert to fraction form
    92,552.61/127,723.40 = 54,312.72/x
  3. Step 3: Cross multiply
    92,552.61x = 127,723.40 × 54,312.72
  4. Step 4: Simplify right side
    92,552.61x = 6,937,005,261.65
  5. Step 5: Solve for x
    x = 6,937,005,261.65/92,552.61
  6. Step 6: Final answer
    x = 74,952.02

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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.