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Finding the Fourth Proportional to 122,493.96, 183,767.13 and 42,534.41

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Solution

The fourth proportional to 122,493.96, 183,767.13 and 42,534.41 is: 63,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,493.96 : 183,767.13 = 42,534.41 : x
  2. Step 2: Convert to fraction form
    122,493.96/183,767.13 = 42,534.41/x
  3. Step 3: Cross multiply
    122,493.96x = 183,767.13 × 42,534.41
  4. Step 4: Simplify right side
    122,493.96x = 7,816,425,533.11
  5. Step 5: Solve for x
    x = 7,816,425,533.11/122,493.96
  6. Step 6: Final answer
    x = 63,810.70

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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.