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Finding the Fourth Proportional to 48,295.68, 72,113.16 and 43,265.64

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Solution

The fourth proportional to 48,295.68, 72,113.16 and 43,265.64 is: 64,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,295.68 : 72,113.16 = 43,265.64 : x
  2. Step 2: Convert to fraction form
    48,295.68/72,113.16 = 43,265.64/x
  3. Step 3: Cross multiply
    48,295.68x = 72,113.16 × 43,265.64
  4. Step 4: Simplify right side
    48,295.68x = 3,120,022,019.82
  5. Step 5: Solve for x
    x = 3,120,022,019.82/48,295.68
  6. Step 6: Final answer
    x = 64,602.51

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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.