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Finding the Fourth Proportional to 86,886.51, 119,913.48 and 52,914.90

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Solution

The fourth proportional to 86,886.51, 119,913.48 and 52,914.90 is: 73,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,886.51 : 119,913.48 = 52,914.90 : x
  2. Step 2: Convert to fraction form
    86,886.51/119,913.48 = 52,914.90/x
  3. Step 3: Cross multiply
    86,886.51x = 119,913.48 × 52,914.90
  4. Step 4: Simplify right side
    86,886.51x = 6,345,210,252.53
  5. Step 5: Solve for x
    x = 6,345,210,252.53/86,886.51
  6. Step 6: Final answer
    x = 73,028.72

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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.