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Finding the Fourth Proportional to 183,937.84, 253,840.20 and 103,380.88

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Solution

The fourth proportional to 183,937.84, 253,840.20 and 103,380.88 is: 142,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,937.84 : 253,840.20 = 103,380.88 : x
  2. Step 2: Convert to fraction form
    183,937.84/253,840.20 = 103,380.88/x
  3. Step 3: Cross multiply
    183,937.84x = 253,840.20 × 103,380.88
  4. Step 4: Simplify right side
    183,937.84x = 26,242,223,255.38
  5. Step 5: Solve for x
    x = 26,242,223,255.38/183,937.84
  6. Step 6: Final answer
    x = 142,668.98

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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.