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Finding the Fourth Proportional to 223,585.60, 335,378.40 and 105,217.60

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Solution

The fourth proportional to 223,585.60, 335,378.40 and 105,217.60 is: 157,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,585.60 : 335,378.40 = 105,217.60 : x
  2. Step 2: Convert to fraction form
    223,585.60/335,378.40 = 105,217.60/x
  3. Step 3: Cross multiply
    223,585.60x = 335,378.40 × 105,217.60
  4. Step 4: Simplify right side
    223,585.60x = 35,287,710,339.84
  5. Step 5: Solve for x
    x = 35,287,710,339.84/223,585.60
  6. Step 6: Final answer
    x = 157,826.40

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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.