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Finding the Fourth Proportional to 236,461.60, 354,951.60 and 131,226.40

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Solution

The fourth proportional to 236,461.60, 354,951.60 and 131,226.40 is: 196,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,461.60 : 354,951.60 = 131,226.40 : x
  2. Step 2: Convert to fraction form
    236,461.60/354,951.60 = 131,226.40/x
  3. Step 3: Cross multiply
    236,461.60x = 354,951.60 × 131,226.40
  4. Step 4: Simplify right side
    236,461.60x = 46,579,020,642.24
  5. Step 5: Solve for x
    x = 46,579,020,642.24/236,461.60
  6. Step 6: Final answer
    x = 196,983.45

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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.