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Finding the Fourth Proportional to 216,723.74, 299,101.23 and 124,846.20

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Solution

The fourth proportional to 216,723.74, 299,101.23 and 124,846.20 is: 172,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,723.74 : 299,101.23 = 124,846.20 : x
  2. Step 2: Convert to fraction form
    216,723.74/299,101.23 = 124,846.20/x
  3. Step 3: Cross multiply
    216,723.74x = 299,101.23 × 124,846.20
  4. Step 4: Simplify right side
    216,723.74x = 37,341,651,980.83
  5. Step 5: Solve for x
    x = 37,341,651,980.83/216,723.74
  6. Step 6: Final answer
    x = 172,300.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.