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Finding the Fourth Proportional to 260,748.48, 359,803.14 and 146,011.16

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Solution

The fourth proportional to 260,748.48, 359,803.14 and 146,011.16 is: 201,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,748.48 : 359,803.14 = 146,011.16 : x
  2. Step 2: Convert to fraction form
    260,748.48/359,803.14 = 146,011.16/x
  3. Step 3: Cross multiply
    260,748.48x = 359,803.14 × 146,011.16
  4. Step 4: Simplify right side
    260,748.48x = 52,535,273,843.04
  5. Step 5: Solve for x
    x = 52,535,273,843.04/260,748.48
  6. Step 6: Final answer
    x = 201,478.73

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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.