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Finding the Fourth Proportional to 258,602.10, 356,787.82 and 156,594.95

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Solution

The fourth proportional to 258,602.10, 356,787.82 and 156,594.95 is: 216,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,602.10 : 356,787.82 = 156,594.95 : x
  2. Step 2: Convert to fraction form
    258,602.10/356,787.82 = 156,594.95/x
  3. Step 3: Cross multiply
    258,602.10x = 356,787.82 × 156,594.95
  4. Step 4: Simplify right side
    258,602.10x = 55,871,170,833.51
  5. Step 5: Solve for x
    x = 55,871,170,833.51/258,602.10
  6. Step 6: Final answer
    x = 216,050.72

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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.