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Finding the Fourth Proportional to 162,690.93, 224,355.76 and 126,867.87

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Solution

The fourth proportional to 162,690.93, 224,355.76 and 126,867.87 is: 174,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,690.93 : 224,355.76 = 126,867.87 : x
  2. Step 2: Convert to fraction form
    162,690.93/224,355.76 = 126,867.87/x
  3. Step 3: Cross multiply
    162,690.93x = 224,355.76 × 126,867.87
  4. Step 4: Simplify right side
    162,690.93x = 28,463,537,076.26
  5. Step 5: Solve for x
    x = 28,463,537,076.26/162,690.93
  6. Step 6: Final answer
    x = 174,954.66

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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.