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Finding the Fourth Proportional to 131,477.60, 196,870.80 and 96,226.40

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Solution

The fourth proportional to 131,477.60, 196,870.80 and 96,226.40 is: 144,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,477.60 : 196,870.80 = 96,226.40 : x
  2. Step 2: Convert to fraction form
    131,477.60/196,870.80 = 96,226.40/x
  3. Step 3: Cross multiply
    131,477.60x = 196,870.80 × 96,226.40
  4. Step 4: Simplify right side
    131,477.60x = 18,944,168,349.12
  5. Step 5: Solve for x
    x = 18,944,168,349.12/131,477.60
  6. Step 6: Final answer
    x = 144,086.66

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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.