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Finding the Fourth Proportional to 106,770.95, 147,350.37 and 61,447.94

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Solution

The fourth proportional to 106,770.95, 147,350.37 and 61,447.94 is: 84,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,770.95 : 147,350.37 = 61,447.94 : x
  2. Step 2: Convert to fraction form
    106,770.95/147,350.37 = 61,447.94/x
  3. Step 3: Cross multiply
    106,770.95x = 147,350.37 × 61,447.94
  4. Step 4: Simplify right side
    106,770.95x = 9,054,375,957.99
  5. Step 5: Solve for x
    x = 9,054,375,957.99/106,770.95
  6. Step 6: Final answer
    x = 84,801.87

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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.