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Finding the Fourth Proportional to 124,411.80, 186,561.54 and 35,644.98

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Solution

The fourth proportional to 124,411.80, 186,561.54 and 35,644.98 is: 53,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,411.80 : 186,561.54 = 35,644.98 : x
  2. Step 2: Convert to fraction form
    124,411.80/186,561.54 = 35,644.98/x
  3. Step 3: Cross multiply
    124,411.80x = 186,561.54 × 35,644.98
  4. Step 4: Simplify right side
    124,411.80x = 6,649,982,362.07
  5. Step 5: Solve for x
    x = 6,649,982,362.07/124,411.80
  6. Step 6: Final answer
    x = 53,451.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.