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Finding the Fourth Proportional to 377,153.34, 565,764.21 and 124,434.56

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Solution

The fourth proportional to 377,153.34, 565,764.21 and 124,434.56 is: 186,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,153.34 : 565,764.21 = 124,434.56 : x
  2. Step 2: Convert to fraction form
    377,153.34/565,764.21 = 124,434.56/x
  3. Step 3: Cross multiply
    377,153.34x = 565,764.21 × 124,434.56
  4. Step 4: Simplify right side
    377,153.34x = 70,400,617,706.28
  5. Step 5: Solve for x
    x = 70,400,617,706.28/377,153.34
  6. Step 6: Final answer
    x = 186,663.12

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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.