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Finding the Fourth Proportional to 119,539.59, 164,950.29 and 68,549.70

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Solution

The fourth proportional to 119,539.59, 164,950.29 and 68,549.70 is: 94,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,539.59 : 164,950.29 = 68,549.70 : x
  2. Step 2: Convert to fraction form
    119,539.59/164,950.29 = 68,549.70/x
  3. Step 3: Cross multiply
    119,539.59x = 164,950.29 × 68,549.70
  4. Step 4: Simplify right side
    119,539.59x = 11,307,292,894.41
  5. Step 5: Solve for x
    x = 11,307,292,894.41/119,539.59
  6. Step 6: Final answer
    x = 94,590.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.