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Finding the Fourth Proportional to 177,291.68, 244,643.64 and 99,765.98

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Solution

The fourth proportional to 177,291.68, 244,643.64 and 99,765.98 is: 137,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,291.68 : 244,643.64 = 99,765.98 : x
  2. Step 2: Convert to fraction form
    177,291.68/244,643.64 = 99,765.98/x
  3. Step 3: Cross multiply
    177,291.68x = 244,643.64 × 99,765.98
  4. Step 4: Simplify right side
    177,291.68x = 24,407,112,495.37
  5. Step 5: Solve for x
    x = 24,407,112,495.37/177,291.68
  6. Step 6: Final answer
    x = 137,666.43

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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.