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Finding the Fourth Proportional to 103,597.44, 142,960.32 and 58,276.32

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Solution

The fourth proportional to 103,597.44, 142,960.32 and 58,276.32 is: 80,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,597.44 : 142,960.32 = 58,276.32 : x
  2. Step 2: Convert to fraction form
    103,597.44/142,960.32 = 58,276.32/x
  3. Step 3: Cross multiply
    103,597.44x = 142,960.32 × 58,276.32
  4. Step 4: Simplify right side
    103,597.44x = 8,331,201,355.62
  5. Step 5: Solve for x
    x = 8,331,201,355.62/103,597.44
  6. Step 6: Final answer
    x = 80,418.99

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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.