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Finding the Fourth Proportional to 92,327.49, 127,411.99 and 49,886.01

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Solution

The fourth proportional to 92,327.49, 127,411.99 and 49,886.01 is: 68,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,327.49 : 127,411.99 = 49,886.01 : x
  2. Step 2: Convert to fraction form
    92,327.49/127,411.99 = 49,886.01/x
  3. Step 3: Cross multiply
    92,327.49x = 127,411.99 × 49,886.01
  4. Step 4: Simplify right side
    92,327.49x = 6,356,075,807.26
  5. Step 5: Solve for x
    x = 6,356,075,807.26/92,327.49
  6. Step 6: Final answer
    x = 68,842.72

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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.