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Finding the Fourth Proportional to 243,173.19, 364,562.96 and 93,336.96

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Solution

The fourth proportional to 243,173.19, 364,562.96 and 93,336.96 is: 139,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,173.19 : 364,562.96 = 93,336.96 : x
  2. Step 2: Convert to fraction form
    243,173.19/364,562.96 = 93,336.96/x
  3. Step 3: Cross multiply
    243,173.19x = 364,562.96 × 93,336.96
  4. Step 4: Simplify right side
    243,173.19x = 34,027,197,948.32
  5. Step 5: Solve for x
    x = 34,027,197,948.32/243,173.19
  6. Step 6: Final answer
    x = 139,929.89

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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.