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Finding the Fourth Proportional to 181,420.77, 272,155.79 and 63,076.80

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Solution

The fourth proportional to 181,420.77, 272,155.79 and 63,076.80 is: 94,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,420.77 : 272,155.79 = 63,076.80 : x
  2. Step 2: Convert to fraction form
    181,420.77/272,155.79 = 63,076.80/x
  3. Step 3: Cross multiply
    181,420.77x = 272,155.79 × 63,076.80
  4. Step 4: Simplify right side
    181,420.77x = 17,166,716,334.67
  5. Step 5: Solve for x
    x = 17,166,716,334.67/181,420.77
  6. Step 6: Final answer
    x = 94,623.77

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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.