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Finding the Fourth Proportional to 223,980.99, 335,987.88 and 89,097.76

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Solution

The fourth proportional to 223,980.99, 335,987.88 and 89,097.76 is: 133,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,980.99 : 335,987.88 = 89,097.76 : x
  2. Step 2: Convert to fraction form
    223,980.99/335,987.88 = 89,097.76/x
  3. Step 3: Cross multiply
    223,980.99x = 335,987.88 × 89,097.76
  4. Step 4: Simplify right side
    223,980.99x = 29,935,767,495.15
  5. Step 5: Solve for x
    x = 29,935,767,495.15/223,980.99
  6. Step 6: Final answer
    x = 133,653.16

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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.