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Finding the Fourth Proportional to 181,316.64, 271,974.92 and 56,657.64

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Solution

The fourth proportional to 181,316.64, 271,974.92 and 56,657.64 is: 84,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,316.64 : 271,974.92 = 56,657.64 : x
  2. Step 2: Convert to fraction form
    181,316.64/271,974.92 = 56,657.64/x
  3. Step 3: Cross multiply
    181,316.64x = 271,974.92 × 56,657.64
  4. Step 4: Simplify right side
    181,316.64x = 15,409,457,843.01
  5. Step 5: Solve for x
    x = 15,409,457,843.01/181,316.64
  6. Step 6: Final answer
    x = 84,986.45

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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.