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Finding the Fourth Proportional to 181,646.75, 272,513.88 and 56,987.75

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Solution

The fourth proportional to 181,646.75, 272,513.88 and 56,987.75 is: 85,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,646.75 : 272,513.88 = 56,987.75 : x
  2. Step 2: Convert to fraction form
    181,646.75/272,513.88 = 56,987.75/x
  3. Step 3: Cross multiply
    181,646.75x = 272,513.88 × 56,987.75
  4. Step 4: Simplify right side
    181,646.75x = 15,529,952,864.97
  5. Step 5: Solve for x
    x = 15,529,952,864.97/181,646.75
  6. Step 6: Final answer
    x = 85,495.35

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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.