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Finding the Fourth Proportional to 162,047.60, 243,071.40 and 104,966.90

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Solution

The fourth proportional to 162,047.60, 243,071.40 and 104,966.90 is: 157,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,047.60 : 243,071.40 = 104,966.90 : x
  2. Step 2: Convert to fraction form
    162,047.60/243,071.40 = 104,966.90/x
  3. Step 3: Cross multiply
    162,047.60x = 243,071.40 × 104,966.90
  4. Step 4: Simplify right side
    162,047.60x = 25,514,451,336.66
  5. Step 5: Solve for x
    x = 25,514,451,336.66/162,047.60
  6. Step 6: Final answer
    x = 157,450.35

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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.