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Finding the Fourth Proportional to 117,297.60, 175,903.20 and 38,414.40

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Solution

The fourth proportional to 117,297.60, 175,903.20 and 38,414.40 is: 57,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,297.60 : 175,903.20 = 38,414.40 : x
  2. Step 2: Convert to fraction form
    117,297.60/175,903.20 = 38,414.40/x
  3. Step 3: Cross multiply
    117,297.60x = 175,903.20 × 38,414.40
  4. Step 4: Simplify right side
    117,297.60x = 6,757,215,886.08
  5. Step 5: Solve for x
    x = 6,757,215,886.08/117,297.60
  6. Step 6: Final answer
    x = 57,607.45

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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.