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Finding the Fourth Proportional to 243,322.60, 335,592.42 and 147,826.60

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Solution

The fourth proportional to 243,322.60, 335,592.42 and 147,826.60 is: 203,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,322.60 : 335,592.42 = 147,826.60 : x
  2. Step 2: Convert to fraction form
    243,322.60/335,592.42 = 147,826.60/x
  3. Step 3: Cross multiply
    243,322.60x = 335,592.42 × 147,826.60
  4. Step 4: Simplify right side
    243,322.60x = 49,609,486,434.37
  5. Step 5: Solve for x
    x = 49,609,486,434.37/243,322.60
  6. Step 6: Final answer
    x = 203,883.60

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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.