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Finding the Fourth Proportional to 147,790.40, 221,714.40 and 59,028.80

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Solution

The fourth proportional to 147,790.40, 221,714.40 and 59,028.80 is: 88,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,790.40 : 221,714.40 = 59,028.80 : x
  2. Step 2: Convert to fraction form
    147,790.40/221,714.40 = 59,028.80/x
  3. Step 3: Cross multiply
    147,790.40x = 221,714.40 × 59,028.80
  4. Step 4: Simplify right side
    147,790.40x = 13,087,534,974.72
  5. Step 5: Solve for x
    x = 13,087,534,974.72/147,790.40
  6. Step 6: Final answer
    x = 88,554.70

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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.