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Finding the Fourth Proportional to 146,145.60, 218,829.60 and 93,268.80

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Solution

The fourth proportional to 146,145.60, 218,829.60 and 93,268.80 is: 139,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,145.60 : 218,829.60 = 93,268.80 : x
  2. Step 2: Convert to fraction form
    146,145.60/218,829.60 = 93,268.80/x
  3. Step 3: Cross multiply
    146,145.60x = 218,829.60 × 93,268.80
  4. Step 4: Simplify right side
    146,145.60x = 20,409,974,196.48
  5. Step 5: Solve for x
    x = 20,409,974,196.48/146,145.60
  6. Step 6: Final answer
    x = 139,655.07

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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.