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Finding the Fourth Proportional to 162,671.52, 224,486.66 and 91,051.56

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Solution

The fourth proportional to 162,671.52, 224,486.66 and 91,051.56 is: 125,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,671.52 : 224,486.66 = 91,051.56 : x
  2. Step 2: Convert to fraction form
    162,671.52/224,486.66 = 91,051.56/x
  3. Step 3: Cross multiply
    162,671.52x = 224,486.66 × 91,051.56
  4. Step 4: Simplify right side
    162,671.52x = 20,439,860,592.19
  5. Step 5: Solve for x
    x = 20,439,860,592.19/162,671.52
  6. Step 6: Final answer
    x = 125,651.13

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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.