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Finding the Fourth Proportional to 106,954.78, 147,599.34 and 58,555.89

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Solution

The fourth proportional to 106,954.78, 147,599.34 and 58,555.89 is: 80,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,954.78 : 147,599.34 = 58,555.89 : x
  2. Step 2: Convert to fraction form
    106,954.78/147,599.34 = 58,555.89/x
  3. Step 3: Cross multiply
    106,954.78x = 147,599.34 × 58,555.89
  4. Step 4: Simplify right side
    106,954.78x = 8,642,810,497.53
  5. Step 5: Solve for x
    x = 8,642,810,497.53/106,954.78
  6. Step 6: Final answer
    x = 80,808.08

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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.