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Finding the Fourth Proportional to 158,967.34, 219,320.70 and 98,515.93

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Solution

The fourth proportional to 158,967.34, 219,320.70 and 98,515.93 is: 135,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,967.34 : 219,320.70 = 98,515.93 : x
  2. Step 2: Convert to fraction form
    158,967.34/219,320.70 = 98,515.93/x
  3. Step 3: Cross multiply
    158,967.34x = 219,320.70 × 98,515.93
  4. Step 4: Simplify right side
    158,967.34x = 21,606,582,222.24
  5. Step 5: Solve for x
    x = 21,606,582,222.24/158,967.34
  6. Step 6: Final answer
    x = 135,918.37

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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.