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Finding the Fourth Proportional to 181,770.70, 250,841.18 and 105,300.22

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Solution

The fourth proportional to 181,770.70, 250,841.18 and 105,300.22 is: 145,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,770.70 : 250,841.18 = 105,300.22 : x
  2. Step 2: Convert to fraction form
    181,770.70/250,841.18 = 105,300.22/x
  3. Step 3: Cross multiply
    181,770.70x = 250,841.18 × 105,300.22
  4. Step 4: Simplify right side
    181,770.70x = 26,413,631,439.06
  5. Step 5: Solve for x
    x = 26,413,631,439.06/181,770.70
  6. Step 6: Final answer
    x = 145,312.92

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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.