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Finding the Fourth Proportional to 162,466.97, 243,596.63 and 78,059.16

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Solution

The fourth proportional to 162,466.97, 243,596.63 and 78,059.16 is: 117,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,466.97 : 243,596.63 = 78,059.16 : x
  2. Step 2: Convert to fraction form
    162,466.97/243,596.63 = 78,059.16/x
  3. Step 3: Cross multiply
    162,466.97x = 243,596.63 × 78,059.16
  4. Step 4: Simplify right side
    162,466.97x = 19,014,948,511.78
  5. Step 5: Solve for x
    x = 19,014,948,511.78/162,466.97
  6. Step 6: Final answer
    x = 117,038.86

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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.