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Finding the Fourth Proportional to 115,519, 159,416.70 and 62,527

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Solution

The fourth proportional to 115,519, 159,416.70 and 62,527 is: 86,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,519 : 159,416.70 = 62,527 : x
  2. Step 2: Convert to fraction form
    115,519/159,416.70 = 62,527/x
  3. Step 3: Cross multiply
    115,519x = 159,416.70 × 62,527
  4. Step 4: Simplify right side
    115,519x = 9,967,848,000.90
  5. Step 5: Solve for x
    x = 9,967,848,000.90/115,519
  6. Step 6: Final answer
    x = 86,287.52

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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.