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Finding the Fourth Proportional to 227,605.34, 314,095.40 and 125,630.84

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Solution

The fourth proportional to 227,605.34, 314,095.40 and 125,630.84 is: 173,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,605.34 : 314,095.40 = 125,630.84 : x
  2. Step 2: Convert to fraction form
    227,605.34/314,095.40 = 125,630.84/x
  3. Step 3: Cross multiply
    227,605.34x = 314,095.40 × 125,630.84
  4. Step 4: Simplify right side
    227,605.34x = 39,460,067,685.74
  5. Step 5: Solve for x
    x = 39,460,067,685.74/227,605.34
  6. Step 6: Final answer
    x = 173,370.57

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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.