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Finding the Fourth Proportional to 83,497.16, 115,225.32 and 45,771.32

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Solution

The fourth proportional to 83,497.16, 115,225.32 and 45,771.32 is: 63,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,497.16 : 115,225.32 = 45,771.32 : x
  2. Step 2: Convert to fraction form
    83,497.16/115,225.32 = 45,771.32/x
  3. Step 3: Cross multiply
    83,497.16x = 115,225.32 × 45,771.32
  4. Step 4: Simplify right side
    83,497.16x = 5,274,014,993.82
  5. Step 5: Solve for x
    x = 5,274,014,993.82/83,497.16
  6. Step 6: Final answer
    x = 63,164.00

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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.