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Finding the Fourth Proportional to 357,847.56, 536,836.95 and 147,370.68

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Solution

The fourth proportional to 357,847.56, 536,836.95 and 147,370.68 is: 221,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,847.56 : 536,836.95 = 147,370.68 : x
  2. Step 2: Convert to fraction form
    357,847.56/536,836.95 = 147,370.68/x
  3. Step 3: Cross multiply
    357,847.56x = 536,836.95 × 147,370.68
  4. Step 4: Simplify right side
    357,847.56x = 79,114,026,370.63
  5. Step 5: Solve for x
    x = 79,114,026,370.63/357,847.56
  6. Step 6: Final answer
    x = 221,083.04

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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.