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Finding the Fourth Proportional to 162,487.45, 224,228.50 and 89,893.07

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Solution

The fourth proportional to 162,487.45, 224,228.50 and 89,893.07 is: 124,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,487.45 : 224,228.50 = 89,893.07 : x
  2. Step 2: Convert to fraction form
    162,487.45/224,228.50 = 89,893.07/x
  3. Step 3: Cross multiply
    162,487.45x = 224,228.50 × 89,893.07
  4. Step 4: Simplify right side
    162,487.45x = 20,156,588,246.50
  5. Step 5: Solve for x
    x = 20,156,588,246.50/162,487.45
  6. Step 6: Final answer
    x = 124,050.12

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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.