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Finding the Fourth Proportional to 236,305.60, 354,688.80 and 118,110.40

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Solution

The fourth proportional to 236,305.60, 354,688.80 and 118,110.40 is: 177,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,305.60 : 354,688.80 = 118,110.40 : x
  2. Step 2: Convert to fraction form
    236,305.60/354,688.80 = 118,110.40/x
  3. Step 3: Cross multiply
    236,305.60x = 354,688.80 × 118,110.40
  4. Step 4: Simplify right side
    236,305.60x = 41,892,436,043.52
  5. Step 5: Solve for x
    x = 41,892,436,043.52/236,305.60
  6. Step 6: Final answer
    x = 177,280.76

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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.