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Finding the Fourth Proportional to 243,613.67, 365,483.54 and 75,130.27

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Solution

The fourth proportional to 243,613.67, 365,483.54 and 75,130.27 is: 112,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,613.67 : 365,483.54 = 75,130.27 : x
  2. Step 2: Convert to fraction form
    243,613.67/365,483.54 = 75,130.27/x
  3. Step 3: Cross multiply
    243,613.67x = 365,483.54 × 75,130.27
  4. Step 4: Simplify right side
    243,613.67x = 27,458,876,314.87
  5. Step 5: Solve for x
    x = 27,458,876,314.87/243,613.67
  6. Step 6: Final answer
    x = 112,714.84

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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.