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Finding the Fourth Proportional to 99,336, 149,069.68 and 46,760.52

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Solution

The fourth proportional to 99,336, 149,069.68 and 46,760.52 is: 70,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,336 : 149,069.68 = 46,760.52 : x
  2. Step 2: Convert to fraction form
    99,336/149,069.68 = 46,760.52/x
  3. Step 3: Cross multiply
    99,336x = 149,069.68 × 46,760.52
  4. Step 4: Simplify right side
    99,336x = 6,970,575,753.03
  5. Step 5: Solve for x
    x = 6,970,575,753.03/99,336
  6. Step 6: Final answer
    x = 70,171.70

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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.