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Finding the Fourth Proportional to 246,506.76, 369,801.01 and 86,541.18

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Solution

The fourth proportional to 246,506.76, 369,801.01 and 86,541.18 is: 129,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,506.76 : 369,801.01 = 86,541.18 : x
  2. Step 2: Convert to fraction form
    246,506.76/369,801.01 = 86,541.18/x
  3. Step 3: Cross multiply
    246,506.76x = 369,801.01 × 86,541.18
  4. Step 4: Simplify right side
    246,506.76x = 32,003,013,921.59
  5. Step 5: Solve for x
    x = 32,003,013,921.59/246,506.76
  6. Step 6: Final answer
    x = 129,826.11

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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.