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Finding the Fourth Proportional to 227,653.55, 314,162.42 and 125,679.08

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Solution

The fourth proportional to 227,653.55, 314,162.42 and 125,679.08 is: 173,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,653.55 : 314,162.42 = 125,679.08 : x
  2. Step 2: Convert to fraction form
    227,653.55/314,162.42 = 125,679.08/x
  3. Step 3: Cross multiply
    227,653.55x = 314,162.42 × 125,679.08
  4. Step 4: Simplify right side
    227,653.55x = 39,483,644,250.02
  5. Step 5: Solve for x
    x = 39,483,644,250.02/227,653.55
  6. Step 6: Final answer
    x = 173,437.42

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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.