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Finding the Fourth Proportional to 260,682.18, 359,748.99 and 147,502.50

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Solution

The fourth proportional to 260,682.18, 359,748.99 and 147,502.50 is: 203,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,682.18 : 359,748.99 = 147,502.50 : x
  2. Step 2: Convert to fraction form
    260,682.18/359,748.99 = 147,502.50/x
  3. Step 3: Cross multiply
    260,682.18x = 359,748.99 × 147,502.50
  4. Step 4: Simplify right side
    260,682.18x = 53,063,875,397.48
  5. Step 5: Solve for x
    x = 53,063,875,397.48/260,682.18
  6. Step 6: Final answer
    x = 203,557.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.