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Finding the Fourth Proportional to 162,058.89, 223,653.64 and 89,475.78

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Solution

The fourth proportional to 162,058.89, 223,653.64 and 89,475.78 is: 123,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,058.89 : 223,653.64 = 89,475.78 : x
  2. Step 2: Convert to fraction form
    162,058.89/223,653.64 = 89,475.78/x
  3. Step 3: Cross multiply
    162,058.89x = 223,653.64 × 89,475.78
  4. Step 4: Simplify right side
    162,058.89x = 20,011,583,888.84
  5. Step 5: Solve for x
    x = 20,011,583,888.84/162,058.89
  6. Step 6: Final answer
    x = 123,483.41

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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.