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Finding the Fourth Proportional to 92,359.68, 127,457.28 and 49,919.04

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Solution

The fourth proportional to 92,359.68, 127,457.28 and 49,919.04 is: 68,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,359.68 : 127,457.28 = 49,919.04 : x
  2. Step 2: Convert to fraction form
    92,359.68/127,457.28 = 49,919.04/x
  3. Step 3: Cross multiply
    92,359.68x = 127,457.28 × 49,919.04
  4. Step 4: Simplify right side
    92,359.68x = 6,362,545,058.61
  5. Step 5: Solve for x
    x = 6,362,545,058.61/92,359.68
  6. Step 6: Final answer
    x = 68,888.77

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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.