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Finding the Fourth Proportional to 181,948.80, 272,874.60 and 55,588.80

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Solution

The fourth proportional to 181,948.80, 272,874.60 and 55,588.80 is: 83,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,948.80 : 272,874.60 = 55,588.80 : x
  2. Step 2: Convert to fraction form
    181,948.80/272,874.60 = 55,588.80/x
  3. Step 3: Cross multiply
    181,948.80x = 272,874.60 × 55,588.80
  4. Step 4: Simplify right side
    181,948.80x = 15,168,771,564.48
  5. Step 5: Solve for x
    x = 15,168,771,564.48/181,948.80
  6. Step 6: Final answer
    x = 83,368.35

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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.