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Finding the Fourth Proportional to 86,964.77, 130,496.40 and 37,039.68

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Solution

The fourth proportional to 86,964.77, 130,496.40 and 37,039.68 is: 55,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,964.77 : 130,496.40 = 37,039.68 : x
  2. Step 2: Convert to fraction form
    86,964.77/130,496.40 = 37,039.68/x
  3. Step 3: Cross multiply
    86,964.77x = 130,496.40 × 37,039.68
  4. Step 4: Simplify right side
    86,964.77x = 4,833,544,897.15
  5. Step 5: Solve for x
    x = 4,833,544,897.15/86,964.77
  6. Step 6: Final answer
    x = 55,580.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.