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Finding the Fourth Proportional to 150,681.31, 225,482.31 and 130,488.01

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Solution

The fourth proportional to 150,681.31, 225,482.31 and 130,488.01 is: 195,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,681.31 : 225,482.31 = 130,488.01 : x
  2. Step 2: Convert to fraction form
    150,681.31/225,482.31 = 130,488.01/x
  3. Step 3: Cross multiply
    150,681.31x = 225,482.31 × 130,488.01
  4. Step 4: Simplify right side
    150,681.31x = 29,422,737,922.10
  5. Step 5: Solve for x
    x = 29,422,737,922.10/150,681.31
  6. Step 6: Final answer
    x = 195,264.68

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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.