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Finding the Fourth Proportional to 223,071.60, 334,720.80 and 148,243.80

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Solution

The fourth proportional to 223,071.60, 334,720.80 and 148,243.80 is: 222,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,071.60 : 334,720.80 = 148,243.80 : x
  2. Step 2: Convert to fraction form
    223,071.60/334,720.80 = 148,243.80/x
  3. Step 3: Cross multiply
    223,071.60x = 334,720.80 × 148,243.80
  4. Step 4: Simplify right side
    223,071.60x = 49,620,283,331.04
  5. Step 5: Solve for x
    x = 49,620,283,331.04/223,071.60
  6. Step 6: Final answer
    x = 222,441.06

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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.