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Finding the Fourth Proportional to 99,337, 149,071.18 and 46,761.52

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Solution

The fourth proportional to 99,337, 149,071.18 and 46,761.52 is: 70,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,337 : 149,071.18 = 46,761.52 : x
  2. Step 2: Convert to fraction form
    99,337/149,071.18 = 46,761.52/x
  3. Step 3: Cross multiply
    99,337x = 149,071.18 × 46,761.52
  4. Step 4: Simplify right side
    99,337x = 6,970,794,964.99
  5. Step 5: Solve for x
    x = 6,970,794,964.99/99,337
  6. Step 6: Final answer
    x = 70,173.20

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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.