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Finding the Fourth Proportional to 117,295.56, 175,943.34 and 38,410.20

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Solution

The fourth proportional to 117,295.56, 175,943.34 and 38,410.20 is: 57,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,295.56 : 175,943.34 = 38,410.20 : x
  2. Step 2: Convert to fraction form
    117,295.56/175,943.34 = 38,410.20/x
  3. Step 3: Cross multiply
    117,295.56x = 175,943.34 × 38,410.20
  4. Step 4: Simplify right side
    117,295.56x = 6,758,018,878.07
  5. Step 5: Solve for x
    x = 6,758,018,878.07/117,295.56
  6. Step 6: Final answer
    x = 57,615.30

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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.