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Finding the Fourth Proportional to 181,220.93, 250,087.98 and 99,552.63

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Solution

The fourth proportional to 181,220.93, 250,087.98 and 99,552.63 is: 137,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,220.93 : 250,087.98 = 99,552.63 : x
  2. Step 2: Convert to fraction form
    181,220.93/250,087.98 = 99,552.63/x
  3. Step 3: Cross multiply
    181,220.93x = 250,087.98 × 99,552.63
  4. Step 4: Simplify right side
    181,220.93x = 24,896,916,140.39
  5. Step 5: Solve for x
    x = 24,896,916,140.39/181,220.93
  6. Step 6: Final answer
    x = 137,384.33

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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.