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Finding the Fourth Proportional to 175,361.74, 262,894.98 and 70,123.30

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Solution

The fourth proportional to 175,361.74, 262,894.98 and 70,123.30 is: 105,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,361.74 : 262,894.98 = 70,123.30 : x
  2. Step 2: Convert to fraction form
    175,361.74/262,894.98 = 70,123.30/x
  3. Step 3: Cross multiply
    175,361.74x = 262,894.98 × 70,123.30
  4. Step 4: Simplify right side
    175,361.74x = 18,435,063,551.03
  5. Step 5: Solve for x
    x = 18,435,063,551.03/175,361.74
  6. Step 6: Final answer
    x = 105,125.92

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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.