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Finding the Fourth Proportional to 171,679.95, 257,634.18 and 70,560.93

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Solution

The fourth proportional to 171,679.95, 257,634.18 and 70,560.93 is: 105,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,679.95 : 257,634.18 = 70,560.93 : x
  2. Step 2: Convert to fraction form
    171,679.95/257,634.18 = 70,560.93/x
  3. Step 3: Cross multiply
    171,679.95x = 257,634.18 × 70,560.93
  4. Step 4: Simplify right side
    171,679.95x = 18,178,907,340.59
  5. Step 5: Solve for x
    x = 18,178,907,340.59/171,679.95
  6. Step 6: Final answer
    x = 105,888.35

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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.