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Finding the Fourth Proportional to 181,316.77, 271,975.10 and 56,657.77

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Solution

The fourth proportional to 181,316.77, 271,975.10 and 56,657.77 is: 84,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,316.77 : 271,975.10 = 56,657.77 : x
  2. Step 2: Convert to fraction form
    181,316.77/271,975.10 = 56,657.77/x
  3. Step 3: Cross multiply
    181,316.77x = 271,975.10 × 56,657.77
  4. Step 4: Simplify right side
    181,316.77x = 15,409,502,463.20
  5. Step 5: Solve for x
    x = 15,409,502,463.20/181,316.77
  6. Step 6: Final answer
    x = 84,986.64

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Similar ratio
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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.