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Finding the Fourth Proportional to 149,034.51, 205,595.36 and 88,562.37

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Solution

The fourth proportional to 149,034.51, 205,595.36 and 88,562.37 is: 122,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,034.51 : 205,595.36 = 88,562.37 : x
  2. Step 2: Convert to fraction form
    149,034.51/205,595.36 = 88,562.37/x
  3. Step 3: Cross multiply
    149,034.51x = 205,595.36 × 88,562.37
  4. Step 4: Simplify right side
    149,034.51x = 18,208,011,899.79
  5. Step 5: Solve for x
    x = 18,208,011,899.79/149,034.51
  6. Step 6: Final answer
    x = 122,173.13

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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.