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Finding the Fourth Proportional to 106,692.52, 147,238.74 and 58,948.96

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Solution

The fourth proportional to 106,692.52, 147,238.74 and 58,948.96 is: 81,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,692.52 : 147,238.74 = 58,948.96 : x
  2. Step 2: Convert to fraction form
    106,692.52/147,238.74 = 58,948.96/x
  3. Step 3: Cross multiply
    106,692.52x = 147,238.74 × 58,948.96
  4. Step 4: Simplify right side
    106,692.52x = 8,679,570,594.71
  5. Step 5: Solve for x
    x = 8,679,570,594.71/106,692.52
  6. Step 6: Final answer
    x = 81,351.26

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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.