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Finding the Fourth Proportional to 119,015.89, 164,241.90 and 68,029.72

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Solution

The fourth proportional to 119,015.89, 164,241.90 and 68,029.72 is: 93,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,015.89 : 164,241.90 = 68,029.72 : x
  2. Step 2: Convert to fraction form
    119,015.89/164,241.90 = 68,029.72/x
  3. Step 3: Cross multiply
    119,015.89x = 164,241.90 × 68,029.72
  4. Step 4: Simplify right side
    119,015.89x = 11,173,330,058.66
  5. Step 5: Solve for x
    x = 11,173,330,058.66/119,015.89
  6. Step 6: Final answer
    x = 93,881.00

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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.