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Finding the Fourth Proportional to 155,913.60, 233,481.60 and 124,809.60

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Solution

The fourth proportional to 155,913.60, 233,481.60 and 124,809.60 is: 186,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,913.60 : 233,481.60 = 124,809.60 : x
  2. Step 2: Convert to fraction form
    155,913.60/233,481.60 = 124,809.60/x
  3. Step 3: Cross multiply
    155,913.60x = 233,481.60 × 124,809.60
  4. Step 4: Simplify right side
    155,913.60x = 29,140,745,103.36
  5. Step 5: Solve for x
    x = 29,140,745,103.36/155,913.60
  6. Step 6: Final answer
    x = 186,903.16

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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.