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Finding the Fourth Proportional to 561,026.66, 841,419.70 and 161,592.98

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Solution

The fourth proportional to 561,026.66, 841,419.70 and 161,592.98 is: 242,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,026.66 : 841,419.70 = 161,592.98 : x
  2. Step 2: Convert to fraction form
    561,026.66/841,419.70 = 161,592.98/x
  3. Step 3: Cross multiply
    561,026.66x = 841,419.70 × 161,592.98
  4. Step 4: Simplify right side
    561,026.66x = 135,967,512,142.63
  5. Step 5: Solve for x
    x = 135,967,512,142.63/561,026.66
  6. Step 6: Final answer
    x = 242,354.82

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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.