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Finding the Fourth Proportional to 375,017.58, 561,962.61 and 150,155.10

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Solution

The fourth proportional to 375,017.58, 561,962.61 and 150,155.10 is: 225,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,017.58 : 561,962.61 = 150,155.10 : x
  2. Step 2: Convert to fraction form
    375,017.58/561,962.61 = 150,155.10/x
  3. Step 3: Cross multiply
    375,017.58x = 561,962.61 × 150,155.10
  4. Step 4: Simplify right side
    375,017.58x = 84,381,551,900.81
  5. Step 5: Solve for x
    x = 84,381,551,900.81/375,017.58
  6. Step 6: Final answer
    x = 225,006.92

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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.