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Finding the Fourth Proportional to 152,437.68, 210,360.24 and 88,787.88

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Solution

The fourth proportional to 152,437.68, 210,360.24 and 88,787.88 is: 122,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,437.68 : 210,360.24 = 88,787.88 : x
  2. Step 2: Convert to fraction form
    152,437.68/210,360.24 = 88,787.88/x
  3. Step 3: Cross multiply
    152,437.68x = 210,360.24 × 88,787.88
  4. Step 4: Simplify right side
    152,437.68x = 18,677,439,745.89
  5. Step 5: Solve for x
    x = 18,677,439,745.89/152,437.68
  6. Step 6: Final answer
    x = 122,525.09

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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.