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Finding the Fourth Proportional to 86,898.48, 130,341.24 and 26,927.43

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Solution

The fourth proportional to 86,898.48, 130,341.24 and 26,927.43 is: 40,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,898.48 : 130,341.24 = 26,927.43 : x
  2. Step 2: Convert to fraction form
    86,898.48/130,341.24 = 26,927.43/x
  3. Step 3: Cross multiply
    86,898.48x = 130,341.24 × 26,927.43
  4. Step 4: Simplify right side
    86,898.48x = 3,509,754,616.21
  5. Step 5: Solve for x
    x = 3,509,754,616.21/86,898.48
  6. Step 6: Final answer
    x = 40,389.14

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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.