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Finding the Fourth Proportional to 104,613.58, 144,367.58 and 56,866.81

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Solution

The fourth proportional to 104,613.58, 144,367.58 and 56,866.81 is: 78,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,613.58 : 144,367.58 = 56,866.81 : x
  2. Step 2: Convert to fraction form
    104,613.58/144,367.58 = 56,866.81/x
  3. Step 3: Cross multiply
    104,613.58x = 144,367.58 × 56,866.81
  4. Step 4: Simplify right side
    104,613.58x = 8,209,723,742.02
  5. Step 5: Solve for x
    x = 8,209,723,742.02/104,613.58
  6. Step 6: Final answer
    x = 78,476.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.