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Finding the Fourth Proportional to 561,184.94, 841,901.79 and 161,794.55

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Solution

The fourth proportional to 561,184.94, 841,901.79 and 161,794.55 is: 242,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,184.94 : 841,901.79 = 161,794.55 : x
  2. Step 2: Convert to fraction form
    561,184.94/841,901.79 = 161,794.55/x
  3. Step 3: Cross multiply
    561,184.94x = 841,901.79 × 161,794.55
  4. Step 4: Simplify right side
    561,184.94x = 136,215,117,047.74
  5. Step 5: Solve for x
    x = 136,215,117,047.74/561,184.94
  6. Step 6: Final answer
    x = 242,727.68

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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.