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Finding the Fourth Proportional to 147,952.80, 222,166.80 and 137,037.60

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Solution

The fourth proportional to 147,952.80, 222,166.80 and 137,037.60 is: 205,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,952.80 : 222,166.80 = 137,037.60 : x
  2. Step 2: Convert to fraction form
    147,952.80/222,166.80 = 137,037.60/x
  3. Step 3: Cross multiply
    147,952.80x = 222,166.80 × 137,037.60
  4. Step 4: Simplify right side
    147,952.80x = 30,445,205,071.68
  5. Step 5: Solve for x
    x = 30,445,205,071.68/147,952.80
  6. Step 6: Final answer
    x = 205,776.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.