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Finding the Fourth Proportional to 175,097.70, 262,646.55 and 154,430.55

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Solution

The fourth proportional to 175,097.70, 262,646.55 and 154,430.55 is: 231,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,097.70 : 262,646.55 = 154,430.55 : x
  2. Step 2: Convert to fraction form
    175,097.70/262,646.55 = 154,430.55/x
  3. Step 3: Cross multiply
    175,097.70x = 262,646.55 × 154,430.55
  4. Step 4: Simplify right side
    175,097.70x = 40,560,651,172.10
  5. Step 5: Solve for x
    x = 40,560,651,172.10/175,097.70
  6. Step 6: Final answer
    x = 231,645.83

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1.5x scale

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.