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Finding the Fourth Proportional to 220,166.64, 303,832.62 and 124,670.88

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Solution

The fourth proportional to 220,166.64, 303,832.62 and 124,670.88 is: 172,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,166.64 : 303,832.62 = 124,670.88 : x
  2. Step 2: Convert to fraction form
    220,166.64/303,832.62 = 124,670.88/x
  3. Step 3: Cross multiply
    220,166.64x = 303,832.62 × 124,670.88
  4. Step 4: Simplify right side
    220,166.64x = 37,879,080,108.11
  5. Step 5: Solve for x
    x = 37,879,080,108.11/220,166.64
  6. Step 6: Final answer
    x = 172,047.32

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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.