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Finding the Fourth Proportional to 162,730.67, 224,565.82 and 91,113.26

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Solution

The fourth proportional to 162,730.67, 224,565.82 and 91,113.26 is: 125,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,730.67 : 224,565.82 = 91,113.26 : x
  2. Step 2: Convert to fraction form
    162,730.67/224,565.82 = 91,113.26/x
  3. Step 3: Cross multiply
    162,730.67x = 224,565.82 × 91,113.26
  4. Step 4: Simplify right side
    162,730.67x = 20,460,922,594.16
  5. Step 5: Solve for x
    x = 20,460,922,594.16/162,730.67
  6. Step 6: Final answer
    x = 125,734.89

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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.