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Finding the Fourth Proportional to 177,613.83, 266,455.74 and 57,648.36

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Solution

The fourth proportional to 177,613.83, 266,455.74 and 57,648.36 is: 86,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,613.83 : 266,455.74 = 57,648.36 : x
  2. Step 2: Convert to fraction form
    177,613.83/266,455.74 = 57,648.36/x
  3. Step 3: Cross multiply
    177,613.83x = 266,455.74 × 57,648.36
  4. Step 4: Simplify right side
    177,613.83x = 15,360,736,423.59
  5. Step 5: Solve for x
    x = 15,360,736,423.59/177,613.83
  6. Step 6: Final answer
    x = 86,483.90

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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.