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Finding the Fourth Proportional to 186,840.50, 257,845.36 and 101,963.04

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Solution

The fourth proportional to 186,840.50, 257,845.36 and 101,963.04 is: 140,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,840.50 : 257,845.36 = 101,963.04 : x
  2. Step 2: Convert to fraction form
    186,840.50/257,845.36 = 101,963.04/x
  3. Step 3: Cross multiply
    186,840.50x = 257,845.36 × 101,963.04
  4. Step 4: Simplify right side
    186,840.50x = 26,290,696,755.49
  5. Step 5: Solve for x
    x = 26,290,696,755.49/186,840.50
  6. Step 6: Final answer
    x = 140,711.98

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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.