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Finding the Fourth Proportional to 86,628, 119,548.98 and 52,624.92

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Solution

The fourth proportional to 86,628, 119,548.98 and 52,624.92 is: 72,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628 : 119,548.98 = 52,624.92 : x
  2. Step 2: Convert to fraction form
    86,628/119,548.98 = 52,624.92/x
  3. Step 3: Cross multiply
    86,628x = 119,548.98 × 52,624.92
  4. Step 4: Simplify right side
    86,628x = 6,291,255,508.58
  5. Step 5: Solve for x
    x = 6,291,255,508.58/86,628
  6. Step 6: Final answer
    x = 72,623.81

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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.