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Finding the Fourth Proportional to 86,708.60, 130,063.14 and 23,529.08

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Solution

The fourth proportional to 86,708.60, 130,063.14 and 23,529.08 is: 35,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,708.60 : 130,063.14 = 23,529.08 : x
  2. Step 2: Convert to fraction form
    86,708.60/130,063.14 = 23,529.08/x
  3. Step 3: Cross multiply
    86,708.60x = 130,063.14 × 23,529.08
  4. Step 4: Simplify right side
    86,708.60x = 3,060,266,026.11
  5. Step 5: Solve for x
    x = 3,060,266,026.11/86,708.60
  6. Step 6: Final answer
    x = 35,293.69

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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.