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Finding the Fourth Proportional to 101,883.20, 152,603.20 and 62,320.64

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Solution

The fourth proportional to 101,883.20, 152,603.20 and 62,320.64 is: 93,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,883.20 : 152,603.20 = 62,320.64 : x
  2. Step 2: Convert to fraction form
    101,883.20/152,603.20 = 62,320.64/x
  3. Step 3: Cross multiply
    101,883.20x = 152,603.20 × 62,320.64
  4. Step 4: Simplify right side
    101,883.20x = 9,510,329,090.05
  5. Step 5: Solve for x
    x = 9,510,329,090.05/101,883.20
  6. Step 6: Final answer
    x = 93,345.41

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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.