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Finding the Fourth Proportional to 223,617.60, 335,426.40 and 130,305.60

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Solution

The fourth proportional to 223,617.60, 335,426.40 and 130,305.60 is: 195,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,617.60 : 335,426.40 = 130,305.60 : x
  2. Step 2: Convert to fraction form
    223,617.60/335,426.40 = 130,305.60/x
  3. Step 3: Cross multiply
    223,617.60x = 335,426.40 × 130,305.60
  4. Step 4: Simplify right side
    223,617.60x = 43,707,938,307.84
  5. Step 5: Solve for x
    x = 43,707,938,307.84/223,617.60
  6. Step 6: Final answer
    x = 195,458.40

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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.