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Finding the Fourth Proportional to 79,970.53, 119,948.79 and 32,590.60

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Solution

The fourth proportional to 79,970.53, 119,948.79 and 32,590.60 is: 48,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,970.53 : 119,948.79 = 32,590.60 : x
  2. Step 2: Convert to fraction form
    79,970.53/119,948.79 = 32,590.60/x
  3. Step 3: Cross multiply
    79,970.53x = 119,948.79 × 32,590.60
  4. Step 4: Simplify right side
    79,970.53x = 3,909,203,035.37
  5. Step 5: Solve for x
    x = 3,909,203,035.37/79,970.53
  6. Step 6: Final answer
    x = 48,883.05

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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.