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Finding the Fourth Proportional to 162,810.92, 244,374.03 and 78,630.25

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Solution

The fourth proportional to 162,810.92, 244,374.03 and 78,630.25 is: 118,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,810.92 : 244,374.03 = 78,630.25 : x
  2. Step 2: Convert to fraction form
    162,810.92/244,374.03 = 78,630.25/x
  3. Step 3: Cross multiply
    162,810.92x = 244,374.03 × 78,630.25
  4. Step 4: Simplify right side
    162,810.92x = 19,215,191,388.48
  5. Step 5: Solve for x
    x = 19,215,191,388.48/162,810.92
  6. Step 6: Final answer
    x = 118,021.51

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1.5x scale

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.