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Finding the Fourth Proportional to 119,015.70, 164,241.65 and 68,029.52

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Solution

The fourth proportional to 119,015.70, 164,241.65 and 68,029.52 is: 93,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,015.70 : 164,241.65 = 68,029.52 : x
  2. Step 2: Convert to fraction form
    119,015.70/164,241.65 = 68,029.52/x
  3. Step 3: Cross multiply
    119,015.70x = 164,241.65 × 68,029.52
  4. Step 4: Simplify right side
    119,015.70x = 11,173,280,613.51
  5. Step 5: Solve for x
    x = 11,173,280,613.51/119,015.70
  6. Step 6: Final answer
    x = 93,880.73

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1.5x scale

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.