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Finding the Fourth Proportional to 147,181.67, 220,794.11 and 47,308.94

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Solution

The fourth proportional to 147,181.67, 220,794.11 and 47,308.94 is: 70,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,181.67 : 220,794.11 = 47,308.94 : x
  2. Step 2: Convert to fraction form
    147,181.67/220,794.11 = 47,308.94/x
  3. Step 3: Cross multiply
    147,181.67x = 220,794.11 × 47,308.94
  4. Step 4: Simplify right side
    147,181.67x = 10,445,535,302.34
  5. Step 5: Solve for x
    x = 10,445,535,302.34/147,181.67
  6. Step 6: Final answer
    x = 70,970.35

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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.