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Finding the Fourth Proportional to 117,009.29, 175,549.21 and 49,506.63

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Solution

The fourth proportional to 117,009.29, 175,549.21 and 49,506.63 is: 74,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.29 : 175,549.21 = 49,506.63 : x
  2. Step 2: Convert to fraction form
    117,009.29/175,549.21 = 49,506.63/x
  3. Step 3: Cross multiply
    117,009.29x = 175,549.21 × 49,506.63
  4. Step 4: Simplify right side
    117,009.29x = 8,690,849,004.19
  5. Step 5: Solve for x
    x = 8,690,849,004.19/117,009.29
  6. Step 6: Final answer
    x = 74,274.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.