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Finding the Fourth Proportional to 223,068.60, 334,862.10 and 134,422.20

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Solution

The fourth proportional to 223,068.60, 334,862.10 and 134,422.20 is: 201,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,068.60 : 334,862.10 = 134,422.20 : x
  2. Step 2: Convert to fraction form
    223,068.60/334,862.10 = 134,422.20/x
  3. Step 3: Cross multiply
    223,068.60x = 334,862.10 × 134,422.20
  4. Step 4: Simplify right side
    223,068.60x = 45,012,900,178.62
  5. Step 5: Solve for x
    x = 45,012,900,178.62/223,068.60
  6. Step 6: Final answer
    x = 201,789.50

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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.