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Finding the Fourth Proportional to 193,654.64, 290,482.16 and 60,535.60

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Solution

The fourth proportional to 193,654.64, 290,482.16 and 60,535.60 is: 90,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,654.64 : 290,482.16 = 60,535.60 : x
  2. Step 2: Convert to fraction form
    193,654.64/290,482.16 = 60,535.60/x
  3. Step 3: Cross multiply
    193,654.64x = 290,482.16 × 60,535.60
  4. Step 4: Simplify right side
    193,654.64x = 17,584,511,844.90
  5. Step 5: Solve for x
    x = 17,584,511,844.90/193,654.64
  6. Step 6: Final answer
    x = 90,803.46

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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.