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Finding the Fourth Proportional to 86,465.56, 119,302.16 and 52,473.29

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Solution

The fourth proportional to 86,465.56, 119,302.16 and 52,473.29 is: 72,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465.56 : 119,302.16 = 52,473.29 : x
  2. Step 2: Convert to fraction form
    86,465.56/119,302.16 = 52,473.29/x
  3. Step 3: Cross multiply
    86,465.56x = 119,302.16 × 52,473.29
  4. Step 4: Simplify right side
    86,465.56x = 6,260,176,839.31
  5. Step 5: Solve for x
    x = 6,260,176,839.31/86,465.56
  6. Step 6: Final answer
    x = 72,400.81

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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.