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Finding the Fourth Proportional to 242,941.78, 364,412.58 and 124,537.60

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Solution

The fourth proportional to 242,941.78, 364,412.58 and 124,537.60 is: 186,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,941.78 : 364,412.58 = 124,537.60 : x
  2. Step 2: Convert to fraction form
    242,941.78/364,412.58 = 124,537.60/x
  3. Step 3: Cross multiply
    242,941.78x = 364,412.58 × 124,537.60
  4. Step 4: Simplify right side
    242,941.78x = 45,383,068,123.01
  5. Step 5: Solve for x
    x = 45,383,068,123.01/242,941.78
  6. Step 6: Final answer
    x = 186,806.35

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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.