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Finding the Fourth Proportional to 134,898.73, 186,160.53 and 74,469.46

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Solution

The fourth proportional to 134,898.73, 186,160.53 and 74,469.46 is: 102,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,898.73 : 186,160.53 = 74,469.46 : x
  2. Step 2: Convert to fraction form
    134,898.73/186,160.53 = 74,469.46/x
  3. Step 3: Cross multiply
    134,898.73x = 186,160.53 × 74,469.46
  4. Step 4: Simplify right side
    134,898.73x = 13,863,273,886.43
  5. Step 5: Solve for x
    x = 13,863,273,886.43/134,898.73
  6. Step 6: Final answer
    x = 102,768.01

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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.