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Finding the Fourth Proportional to 119,580, 179,307.68 and 44,638.51

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Solution

The fourth proportional to 119,580, 179,307.68 and 44,638.51 is: 66,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,580 : 179,307.68 = 44,638.51 : x
  2. Step 2: Convert to fraction form
    119,580/179,307.68 = 44,638.51/x
  3. Step 3: Cross multiply
    119,580x = 179,307.68 × 44,638.51
  4. Step 4: Simplify right side
    119,580x = 8,004,026,770.22
  5. Step 5: Solve for x
    x = 8,004,026,770.22/119,580
  6. Step 6: Final answer
    x = 66,934.49

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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.