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Finding the Fourth Proportional to 228,000.73, 314,635.51 and 124,630.33

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Solution

The fourth proportional to 228,000.73, 314,635.51 and 124,630.33 is: 171,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,000.73 : 314,635.51 = 124,630.33 : x
  2. Step 2: Convert to fraction form
    228,000.73/314,635.51 = 124,630.33/x
  3. Step 3: Cross multiply
    228,000.73x = 314,635.51 × 124,630.33
  4. Step 4: Simplify right side
    228,000.73x = 39,213,127,441.02
  5. Step 5: Solve for x
    x = 39,213,127,441.02/228,000.73
  6. Step 6: Final answer
    x = 171,986.85

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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.