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Finding the Fourth Proportional to 193,599.60, 290,369.36 and 98,899.76

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Solution

The fourth proportional to 193,599.60, 290,369.36 and 98,899.76 is: 148,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,599.60 : 290,369.36 = 98,899.76 : x
  2. Step 2: Convert to fraction form
    193,599.60/290,369.36 = 98,899.76/x
  3. Step 3: Cross multiply
    193,599.60x = 290,369.36 × 98,899.76
  4. Step 4: Simplify right side
    193,599.60x = 28,717,460,015.35
  5. Step 5: Solve for x
    x = 28,717,460,015.35/193,599.60
  6. Step 6: Final answer
    x = 148,334.29

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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.