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Finding the Fourth Proportional to 161,203.59, 222,423.91 and 100,004.84

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Solution

The fourth proportional to 161,203.59, 222,423.91 and 100,004.84 is: 137,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,203.59 : 222,423.91 = 100,004.84 : x
  2. Step 2: Convert to fraction form
    161,203.59/222,423.91 = 100,004.84/x
  3. Step 3: Cross multiply
    161,203.59x = 222,423.91 × 100,004.84
  4. Step 4: Simplify right side
    161,203.59x = 22,243,467,531.72
  5. Step 5: Solve for x
    x = 22,243,467,531.72/161,203.59
  6. Step 6: Final answer
    x = 137,983.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.