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Finding the Fourth Proportional to 114,585.60, 171,837.21 and 39,685.59

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Solution

The fourth proportional to 114,585.60, 171,837.21 and 39,685.59 is: 59,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,585.60 : 171,837.21 = 39,685.59 : x
  2. Step 2: Convert to fraction form
    114,585.60/171,837.21 = 39,685.59/x
  3. Step 3: Cross multiply
    114,585.60x = 171,837.21 × 39,685.59
  4. Step 4: Simplify right side
    114,585.60x = 6,819,461,062.80
  5. Step 5: Solve for x
    x = 6,819,461,062.80/114,585.60
  6. Step 6: Final answer
    x = 59,514.12

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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.