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Finding the Fourth Proportional to 150,681.81, 225,483.06 and 130,488.51

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Solution

The fourth proportional to 150,681.81, 225,483.06 and 130,488.51 is: 195,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,681.81 : 225,483.06 = 130,488.51 : x
  2. Step 2: Convert to fraction form
    150,681.81/225,483.06 = 130,488.51/x
  3. Step 3: Cross multiply
    150,681.81x = 225,483.06 × 130,488.51
  4. Step 4: Simplify right side
    150,681.81x = 29,422,948,529.64
  5. Step 5: Solve for x
    x = 29,422,948,529.64/150,681.81
  6. Step 6: Final answer
    x = 195,265.43

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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.