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Finding the Fourth Proportional to 105,175.40, 157,763.10 and 96,573.80

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Solution

The fourth proportional to 105,175.40, 157,763.10 and 96,573.80 is: 144,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,175.40 : 157,763.10 = 96,573.80 : x
  2. Step 2: Convert to fraction form
    105,175.40/157,763.10 = 96,573.80/x
  3. Step 3: Cross multiply
    105,175.40x = 157,763.10 × 96,573.80
  4. Step 4: Simplify right side
    105,175.40x = 15,235,782,066.78
  5. Step 5: Solve for x
    x = 15,235,782,066.78/105,175.40
  6. Step 6: Final answer
    x = 144,860.70

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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.