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Finding the Fourth Proportional to 181,772.80, 272,950.80 and 122,869.60

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Solution

The fourth proportional to 181,772.80, 272,950.80 and 122,869.60 is: 184,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,772.80 : 272,950.80 = 122,869.60 : x
  2. Step 2: Convert to fraction form
    181,772.80/272,950.80 = 122,869.60/x
  3. Step 3: Cross multiply
    181,772.80x = 272,950.80 × 122,869.60
  4. Step 4: Simplify right side
    181,772.80x = 33,537,355,615.68
  5. Step 5: Solve for x
    x = 33,537,355,615.68/181,772.80
  6. Step 6: Final answer
    x = 184,501.51

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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.