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Finding the Fourth Proportional to 117,040.30, 175,560.45 and 93,712.30

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Solution

The fourth proportional to 117,040.30, 175,560.45 and 93,712.30 is: 140,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,040.30 : 175,560.45 = 93,712.30 : x
  2. Step 2: Convert to fraction form
    117,040.30/175,560.45 = 93,712.30/x
  3. Step 3: Cross multiply
    117,040.30x = 175,560.45 × 93,712.30
  4. Step 4: Simplify right side
    117,040.30x = 16,452,173,558.54
  5. Step 5: Solve for x
    x = 16,452,173,558.54/117,040.30
  6. Step 6: Final answer
    x = 140,568.45

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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.