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Finding the Fourth Proportional to 86,732.64, 119,703.96 and 52,746.66

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Solution

The fourth proportional to 86,732.64, 119,703.96 and 52,746.66 is: 72,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,732.64 : 119,703.96 = 52,746.66 : x
  2. Step 2: Convert to fraction form
    86,732.64/119,703.96 = 52,746.66/x
  3. Step 3: Cross multiply
    86,732.64x = 119,703.96 × 52,746.66
  4. Step 4: Simplify right side
    86,732.64x = 6,313,984,078.77
  5. Step 5: Solve for x
    x = 6,313,984,078.77/86,732.64
  6. Step 6: Final answer
    x = 72,798.25

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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.