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Finding the Fourth Proportional to 168,898.68, 233,079.84 and 93,447

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Solution

The fourth proportional to 168,898.68, 233,079.84 and 93,447 is: 128,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,898.68 : 233,079.84 = 93,447 : x
  2. Step 2: Convert to fraction form
    168,898.68/233,079.84 = 93,447/x
  3. Step 3: Cross multiply
    168,898.68x = 233,079.84 × 93,447
  4. Step 4: Simplify right side
    168,898.68x = 21,780,611,808.48
  5. Step 5: Solve for x
    x = 21,780,611,808.48/168,898.68
  6. Step 6: Final answer
    x = 128,956.67

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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.