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Finding the Fourth Proportional to 205,966.10, 287,652.70 and 205,966.10

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Solution

The fourth proportional to 205,966.10, 287,652.70 and 205,966.10 is: 287,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,966.10 : 287,652.70 = 205,966.10 : x
  2. Step 2: Convert to fraction form
    205,966.10/287,652.70 = 205,966.10/x
  3. Step 3: Cross multiply
    205,966.10x = 287,652.70 × 205,966.10
  4. Step 4: Simplify right side
    205,966.10x = 59,246,704,773.47
  5. Step 5: Solve for x
    x = 59,246,704,773.47/205,966.10
  6. Step 6: Final answer
    x = 287,652.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.