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Finding the Fourth Proportional to 145,806.60, 201,171.15 and 94,894.23

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Solution

The fourth proportional to 145,806.60, 201,171.15 and 94,894.23 is: 130,926.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,806.60 : 201,171.15 = 94,894.23 : x
  2. Step 2: Convert to fraction form
    145,806.60/201,171.15 = 94,894.23/x
  3. Step 3: Cross multiply
    145,806.60x = 201,171.15 × 94,894.23
  4. Step 4: Simplify right side
    145,806.60x = 19,089,981,377.46
  5. Step 5: Solve for x
    x = 19,089,981,377.46/145,806.60
  6. Step 6: Final answer
    x = 130,926.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.