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Finding the Fourth Proportional to 118,395.75, 178,392.89 and 97,797.24

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Solution

The fourth proportional to 118,395.75, 178,392.89 and 97,797.24 is: 147,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,395.75 : 178,392.89 = 97,797.24 : x
  2. Step 2: Convert to fraction form
    118,395.75/178,392.89 = 97,797.24/x
  3. Step 3: Cross multiply
    118,395.75x = 178,392.89 × 97,797.24
  4. Step 4: Simplify right side
    118,395.75x = 17,446,331,788.64
  5. Step 5: Solve for x
    x = 17,446,331,788.64/118,395.75
  6. Step 6: Final answer
    x = 147,356.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.