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Finding the Fourth Proportional to 175,228.60, 262,698.90 and 75,465.40

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Solution

The fourth proportional to 175,228.60, 262,698.90 and 75,465.40 is: 113,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,228.60 : 262,698.90 = 75,465.40 : x
  2. Step 2: Convert to fraction form
    175,228.60/262,698.90 = 75,465.40/x
  3. Step 3: Cross multiply
    175,228.60x = 262,698.90 × 75,465.40
  4. Step 4: Simplify right side
    175,228.60x = 19,824,677,568.06
  5. Step 5: Solve for x
    x = 19,824,677,568.06/175,228.60
  6. Step 6: Final answer
    x = 113,136.08

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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.