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Finding the Fourth Proportional to 86,468.93, 119,308.97 and 52,495.30

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Solution

The fourth proportional to 86,468.93, 119,308.97 and 52,495.30 is: 72,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,468.93 : 119,308.97 = 52,495.30 : x
  2. Step 2: Convert to fraction form
    86,468.93/119,308.97 = 52,495.30/x
  3. Step 3: Cross multiply
    86,468.93x = 119,308.97 × 52,495.30
  4. Step 4: Simplify right side
    86,468.93x = 6,263,160,005.81
  5. Step 5: Solve for x
    x = 6,263,160,005.81/86,468.93
  6. Step 6: Final answer
    x = 72,432.50

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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.