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Finding the Fourth Proportional to 106,554.88, 147,046.76 and 58,807.20

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Solution

The fourth proportional to 106,554.88, 147,046.76 and 58,807.20 is: 81,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,554.88 : 147,046.76 = 58,807.20 : x
  2. Step 2: Convert to fraction form
    106,554.88/147,046.76 = 58,807.20/x
  3. Step 3: Cross multiply
    106,554.88x = 147,046.76 × 58,807.20
  4. Step 4: Simplify right side
    106,554.88x = 8,647,408,224.67
  5. Step 5: Solve for x
    x = 8,647,408,224.67/106,554.88
  6. Step 6: Final answer
    x = 81,154.50

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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.