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Finding the Fourth Proportional to 101,322.95, 151,242.50 and 89,352.44

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Solution

The fourth proportional to 101,322.95, 151,242.50 and 89,352.44 is: 133,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,322.95 : 151,242.50 = 89,352.44 : x
  2. Step 2: Convert to fraction form
    101,322.95/151,242.50 = 89,352.44/x
  3. Step 3: Cross multiply
    101,322.95x = 151,242.50 × 89,352.44
  4. Step 4: Simplify right side
    101,322.95x = 13,513,885,203.73
  5. Step 5: Solve for x
    x = 13,513,885,203.73/101,322.95
  6. Step 6: Final answer
    x = 133,374.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.