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Finding the Fourth Proportional to 122,598.41, 183,892.62 and 42,654.68

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Solution

The fourth proportional to 122,598.41, 183,892.62 and 42,654.68 is: 63,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,598.41 : 183,892.62 = 42,654.68 : x
  2. Step 2: Convert to fraction form
    122,598.41/183,892.62 = 42,654.68/x
  3. Step 3: Cross multiply
    122,598.41x = 183,892.62 × 42,654.68
  4. Step 4: Simplify right side
    122,598.41x = 7,843,880,860.46
  5. Step 5: Solve for x
    x = 7,843,880,860.46/122,598.41
  6. Step 6: Final answer
    x = 63,980.28

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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.