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Finding the Fourth Proportional to 70,158.75, 96,745.40 and 46,254.84

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Solution

The fourth proportional to 70,158.75, 96,745.40 and 46,254.84 is: 63,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,158.75 : 96,745.40 = 46,254.84 : x
  2. Step 2: Convert to fraction form
    70,158.75/96,745.40 = 46,254.84/x
  3. Step 3: Cross multiply
    70,158.75x = 96,745.40 × 46,254.84
  4. Step 4: Simplify right side
    70,158.75x = 4,474,942,282.73
  5. Step 5: Solve for x
    x = 4,474,942,282.73/70,158.75
  6. Step 6: Final answer
    x = 63,783.10

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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.