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Finding the Fourth Proportional to 174,903.60, 262,355.40 and 75,046.80

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Solution

The fourth proportional to 174,903.60, 262,355.40 and 75,046.80 is: 112,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,903.60 : 262,355.40 = 75,046.80 : x
  2. Step 2: Convert to fraction form
    174,903.60/262,355.40 = 75,046.80/x
  3. Step 3: Cross multiply
    174,903.60x = 262,355.40 × 75,046.80
  4. Step 4: Simplify right side
    174,903.60x = 19,688,933,232.72
  5. Step 5: Solve for x
    x = 19,688,933,232.72/174,903.60
  6. Step 6: Final answer
    x = 112,570.20

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1.5x scale

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.