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Finding the Fourth Proportional to 242,657.06, 364,037.43 and 84,890.66

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Solution

The fourth proportional to 242,657.06, 364,037.43 and 84,890.66 is: 127,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,657.06 : 364,037.43 = 84,890.66 : x
  2. Step 2: Convert to fraction form
    242,657.06/364,037.43 = 84,890.66/x
  3. Step 3: Cross multiply
    242,657.06x = 364,037.43 × 84,890.66
  4. Step 4: Simplify right side
    242,657.06x = 30,903,377,697.40
  5. Step 5: Solve for x
    x = 30,903,377,697.40/242,657.06
  6. Step 6: Final answer
    x = 127,354.13

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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.