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Finding the Fourth Proportional to 114,365.44, 171,484.80 and 39,445.12

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Solution

The fourth proportional to 114,365.44, 171,484.80 and 39,445.12 is: 59,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,365.44 : 171,484.80 = 39,445.12 : x
  2. Step 2: Convert to fraction form
    114,365.44/171,484.80 = 39,445.12/x
  3. Step 3: Cross multiply
    114,365.44x = 171,484.80 × 39,445.12
  4. Step 4: Simplify right side
    114,365.44x = 6,764,238,514.18
  5. Step 5: Solve for x
    x = 6,764,238,514.18/114,365.44
  6. Step 6: Final answer
    x = 59,145.83

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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.