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Finding the Fourth Proportional to 162,624, 243,684.08 and 112,800.96

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Solution

The fourth proportional to 162,624, 243,684.08 and 112,800.96 is: 169,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,624 : 243,684.08 = 112,800.96 : x
  2. Step 2: Convert to fraction form
    162,624/243,684.08 = 112,800.96/x
  3. Step 3: Cross multiply
    162,624x = 243,684.08 × 112,800.96
  4. Step 4: Simplify right side
    162,624x = 27,487,798,160.72
  5. Step 5: Solve for x
    x = 27,487,798,160.72/162,624
  6. Step 6: Final answer
    x = 169,026.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.