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Finding the Fourth Proportional to 242,663.56, 364,047.18 and 84,897.16

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Solution

The fourth proportional to 242,663.56, 364,047.18 and 84,897.16 is: 127,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,663.56 : 364,047.18 = 84,897.16 : x
  2. Step 2: Convert to fraction form
    242,663.56/364,047.18 = 84,897.16/x
  3. Step 3: Cross multiply
    242,663.56x = 364,047.18 × 84,897.16
  4. Step 4: Simplify right side
    242,663.56x = 30,906,571,688.01
  5. Step 5: Solve for x
    x = 30,906,571,688.01/242,663.56
  6. Step 6: Final answer
    x = 127,363.88

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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.