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Finding the Fourth Proportional to 102,763.62, 153,757.83 and 60,666.60

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Solution

The fourth proportional to 102,763.62, 153,757.83 and 60,666.60 is: 90,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,763.62 : 153,757.83 = 60,666.60 : x
  2. Step 2: Convert to fraction form
    102,763.62/153,757.83 = 60,666.60/x
  3. Step 3: Cross multiply
    102,763.62x = 153,757.83 × 60,666.60
  4. Step 4: Simplify right side
    102,763.62x = 9,327,964,769.48
  5. Step 5: Solve for x
    x = 9,327,964,769.48/102,763.62
  6. Step 6: Final answer
    x = 90,771.08

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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.