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Finding the Fourth Proportional to 162,881.66, 224,774.52 and 91,263.08

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Solution

The fourth proportional to 162,881.66, 224,774.52 and 91,263.08 is: 125,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,881.66 : 224,774.52 = 91,263.08 : x
  2. Step 2: Convert to fraction form
    162,881.66/224,774.52 = 91,263.08/x
  3. Step 3: Cross multiply
    162,881.66x = 224,774.52 × 91,263.08
  4. Step 4: Simplify right side
    162,881.66x = 20,513,615,000.72
  5. Step 5: Solve for x
    x = 20,513,615,000.72/162,881.66
  6. Step 6: Final answer
    x = 125,941.83

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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.