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Finding the Fourth Proportional to 130,613.70, 195,919.71 and 63,066.90

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Solution

The fourth proportional to 130,613.70, 195,919.71 and 63,066.90 is: 94,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,613.70 : 195,919.71 = 63,066.90 : x
  2. Step 2: Convert to fraction form
    130,613.70/195,919.71 = 63,066.90/x
  3. Step 3: Cross multiply
    130,613.70x = 195,919.71 × 63,066.90
  4. Step 4: Simplify right side
    130,613.70x = 12,356,048,758.60
  5. Step 5: Solve for x
    x = 12,356,048,758.60/130,613.70
  6. Step 6: Final answer
    x = 94,599.94

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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.