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Finding the Fourth Proportional to 174,356.40, 240,604.56 and 98,919.12

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Solution

The fourth proportional to 174,356.40, 240,604.56 and 98,919.12 is: 136,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,356.40 : 240,604.56 = 98,919.12 : x
  2. Step 2: Convert to fraction form
    174,356.40/240,604.56 = 98,919.12/x
  3. Step 3: Cross multiply
    174,356.40x = 240,604.56 × 98,919.12
  4. Step 4: Simplify right side
    174,356.40x = 23,800,391,343.19
  5. Step 5: Solve for x
    x = 23,800,391,343.19/174,356.40
  6. Step 6: Final answer
    x = 136,504.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.