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Finding the Fourth Proportional to 181,219.79, 249,792.50 and 123,058.28

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Solution

The fourth proportional to 181,219.79, 249,792.50 and 123,058.28 is: 169,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,219.79 : 249,792.50 = 123,058.28 : x
  2. Step 2: Convert to fraction form
    181,219.79/249,792.50 = 123,058.28/x
  3. Step 3: Cross multiply
    181,219.79x = 249,792.50 × 123,058.28
  4. Step 4: Simplify right side
    181,219.79x = 30,739,035,406.90
  5. Step 5: Solve for x
    x = 30,739,035,406.90/181,219.79
  6. Step 6: Final answer
    x = 169,622.95

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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.