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Finding the Fourth Proportional to 190,091.60, 285,137.40 and 160,024.40

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Solution

The fourth proportional to 190,091.60, 285,137.40 and 160,024.40 is: 240,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,091.60 : 285,137.40 = 160,024.40 : x
  2. Step 2: Convert to fraction form
    190,091.60/285,137.40 = 160,024.40/x
  3. Step 3: Cross multiply
    190,091.60x = 285,137.40 × 160,024.40
  4. Step 4: Simplify right side
    190,091.60x = 45,628,941,352.56
  5. Step 5: Solve for x
    x = 45,628,941,352.56/190,091.60
  6. Step 6: Final answer
    x = 240,036.60

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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.