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Finding the Fourth Proportional to 475,052.47, 712,603.20 and 120,069.56

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Solution

The fourth proportional to 475,052.47, 712,603.20 and 120,069.56 is: 180,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,052.47 : 712,603.20 = 120,069.56 : x
  2. Step 2: Convert to fraction form
    475,052.47/712,603.20 = 120,069.56/x
  3. Step 3: Cross multiply
    475,052.47x = 712,603.20 × 120,069.56
  4. Step 4: Simplify right side
    475,052.47x = 85,561,952,678.59
  5. Step 5: Solve for x
    x = 85,561,952,678.59/475,052.47
  6. Step 6: Final answer
    x = 180,110.53

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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.