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Finding the Fourth Proportional to 131,392.68, 196,368.98 and 95,928.68

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Solution

The fourth proportional to 131,392.68, 196,368.98 and 95,928.68 is: 143,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,392.68 : 196,368.98 = 95,928.68 : x
  2. Step 2: Convert to fraction form
    131,392.68/196,368.98 = 95,928.68/x
  3. Step 3: Cross multiply
    131,392.68x = 196,368.98 × 95,928.68
  4. Step 4: Simplify right side
    131,392.68x = 18,837,417,044.35
  5. Step 5: Solve for x
    x = 18,837,417,044.35/131,392.68
  6. Step 6: Final answer
    x = 143,367.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.