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Finding the Fourth Proportional to 168,686.64, 232,787.80 and 97,065.24

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Solution

The fourth proportional to 168,686.64, 232,787.80 and 97,065.24 is: 133,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,686.64 : 232,787.80 = 97,065.24 : x
  2. Step 2: Convert to fraction form
    168,686.64/232,787.80 = 97,065.24/x
  3. Step 3: Cross multiply
    168,686.64x = 232,787.80 × 97,065.24
  4. Step 4: Simplify right side
    168,686.64x = 22,595,603,676.07
  5. Step 5: Solve for x
    x = 22,595,603,676.07/168,686.64
  6. Step 6: Final answer
    x = 133,950.17

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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.