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Finding the Fourth Proportional to 168,303.99, 232,254.46 and 91,824.60

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Solution

The fourth proportional to 168,303.99, 232,254.46 and 91,824.60 is: 126,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,303.99 : 232,254.46 = 91,824.60 : x
  2. Step 2: Convert to fraction form
    168,303.99/232,254.46 = 91,824.60/x
  3. Step 3: Cross multiply
    168,303.99x = 232,254.46 × 91,824.60
  4. Step 4: Simplify right side
    168,303.99x = 21,326,673,873.45
  5. Step 5: Solve for x
    x = 21,326,673,873.45/168,303.99
  6. Step 6: Final answer
    x = 126,715.20

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1.5x scale

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.