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Finding the Fourth Proportional to 171,841.93, 257,681.07 and 70,624.17

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Solution

The fourth proportional to 171,841.93, 257,681.07 and 70,624.17 is: 105,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,841.93 : 257,681.07 = 70,624.17 : x
  2. Step 2: Convert to fraction form
    171,841.93/257,681.07 = 70,624.17/x
  3. Step 3: Cross multiply
    171,841.93x = 257,681.07 × 70,624.17
  4. Step 4: Simplify right side
    171,841.93x = 18,198,511,693.46
  5. Step 5: Solve for x
    x = 18,198,511,693.46/171,841.93
  6. Step 6: Final answer
    x = 105,902.63

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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.