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Finding the Fourth Proportional to 162,808.60, 244,212.90 and 115,569.40

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Solution

The fourth proportional to 162,808.60, 244,212.90 and 115,569.40 is: 173,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,808.60 : 244,212.90 = 115,569.40 : x
  2. Step 2: Convert to fraction form
    162,808.60/244,212.90 = 115,569.40/x
  3. Step 3: Cross multiply
    162,808.60x = 244,212.90 × 115,569.40
  4. Step 4: Simplify right side
    162,808.60x = 28,223,538,325.26
  5. Step 5: Solve for x
    x = 28,223,538,325.26/162,808.60
  6. Step 6: Final answer
    x = 173,354.10

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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.