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Finding the Fourth Proportional to 157,064.10, 235,596.15 and 125,960.10

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Solution

The fourth proportional to 157,064.10, 235,596.15 and 125,960.10 is: 188,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,064.10 : 235,596.15 = 125,960.10 : x
  2. Step 2: Convert to fraction form
    157,064.10/235,596.15 = 125,960.10/x
  3. Step 3: Cross multiply
    157,064.10x = 235,596.15 × 125,960.10
  4. Step 4: Simplify right side
    157,064.10x = 29,675,714,613.62
  5. Step 5: Solve for x
    x = 29,675,714,613.62/157,064.10
  6. Step 6: Final answer
    x = 188,940.15

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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.