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Finding the Fourth Proportional to 79,528.98, 119,339.64 and 29,643.60

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Solution

The fourth proportional to 79,528.98, 119,339.64 and 29,643.60 is: 44,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,528.98 : 119,339.64 = 29,643.60 : x
  2. Step 2: Convert to fraction form
    79,528.98/119,339.64 = 29,643.60/x
  3. Step 3: Cross multiply
    79,528.98x = 119,339.64 × 29,643.60
  4. Step 4: Simplify right side
    79,528.98x = 3,537,656,552.30
  5. Step 5: Solve for x
    x = 3,537,656,552.30/79,528.98
  6. Step 6: Final answer
    x = 44,482.61

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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.