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Finding the Fourth Proportional to 147,766.60, 221,649.90 and 101,110.60

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Solution

The fourth proportional to 147,766.60, 221,649.90 and 101,110.60 is: 151,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,766.60 : 221,649.90 = 101,110.60 : x
  2. Step 2: Convert to fraction form
    147,766.60/221,649.90 = 101,110.60/x
  3. Step 3: Cross multiply
    147,766.60x = 221,649.90 × 101,110.60
  4. Step 4: Simplify right side
    147,766.60x = 22,411,154,378.94
  5. Step 5: Solve for x
    x = 22,411,154,378.94/147,766.60
  6. Step 6: Final answer
    x = 151,665.90

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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.