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Finding the Fourth Proportional to 103,798.59, 143,212.41 and 58,460.70

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Solution

The fourth proportional to 103,798.59, 143,212.41 and 58,460.70 is: 80,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,798.59 : 143,212.41 = 58,460.70 : x
  2. Step 2: Convert to fraction form
    103,798.59/143,212.41 = 58,460.70/x
  3. Step 3: Cross multiply
    103,798.59x = 143,212.41 × 58,460.70
  4. Step 4: Simplify right side
    103,798.59x = 8,372,297,737.29
  5. Step 5: Solve for x
    x = 8,372,297,737.29/103,798.59
  6. Step 6: Final answer
    x = 80,659.07

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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.