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Finding the Fourth Proportional to 92,411.64, 127,527.96 and 49,970.07

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Solution

The fourth proportional to 92,411.64, 127,527.96 and 49,970.07 is: 68,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,411.64 : 127,527.96 = 49,970.07 : x
  2. Step 2: Convert to fraction form
    92,411.64/127,527.96 = 49,970.07/x
  3. Step 3: Cross multiply
    92,411.64x = 127,527.96 × 49,970.07
  4. Step 4: Simplify right side
    92,411.64x = 6,372,581,088.16
  5. Step 5: Solve for x
    x = 6,372,581,088.16/92,411.64
  6. Step 6: Final answer
    x = 68,958.64

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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.