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Finding the Fourth Proportional to 147,770.40, 221,684.40 and 59,008.80

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Solution

The fourth proportional to 147,770.40, 221,684.40 and 59,008.80 is: 88,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,770.40 : 221,684.40 = 59,008.80 : x
  2. Step 2: Convert to fraction form
    147,770.40/221,684.40 = 59,008.80/x
  3. Step 3: Cross multiply
    147,770.40x = 221,684.40 × 59,008.80
  4. Step 4: Simplify right side
    147,770.40x = 13,081,330,422.72
  5. Step 5: Solve for x
    x = 13,081,330,422.72/147,770.40
  6. Step 6: Final answer
    x = 88,524.70

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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.