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Finding the Fourth Proportional to 92,411.59, 127,527.91 and 49,970.02

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Solution

The fourth proportional to 92,411.59, 127,527.91 and 49,970.02 is: 68,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,411.59 : 127,527.91 = 49,970.02 : x
  2. Step 2: Convert to fraction form
    92,411.59/127,527.91 = 49,970.02/x
  3. Step 3: Cross multiply
    92,411.59x = 127,527.91 × 49,970.02
  4. Step 4: Simplify right side
    92,411.59x = 6,372,572,213.26
  5. Step 5: Solve for x
    x = 6,372,572,213.26/92,411.59
  6. Step 6: Final answer
    x = 68,958.58

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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.