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Finding the Fourth Proportional to 226,659.33, 312,783.48 and 124,684.74

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Solution

The fourth proportional to 226,659.33, 312,783.48 and 124,684.74 is: 172,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,659.33 : 312,783.48 = 124,684.74 : x
  2. Step 2: Convert to fraction form
    226,659.33/312,783.48 = 124,684.74/x
  3. Step 3: Cross multiply
    226,659.33x = 312,783.48 × 124,684.74
  4. Step 4: Simplify right side
    226,659.33x = 38,999,326,880.10
  5. Step 5: Solve for x
    x = 38,999,326,880.10/226,659.33
  6. Step 6: Final answer
    x = 172,061.42

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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.