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Finding the Fourth Proportional to 186,957.16, 258,004.50 and 102,077.56

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Solution

The fourth proportional to 186,957.16, 258,004.50 and 102,077.56 is: 140,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,957.16 : 258,004.50 = 102,077.56 : x
  2. Step 2: Convert to fraction form
    186,957.16/258,004.50 = 102,077.56/x
  3. Step 3: Cross multiply
    186,957.16x = 258,004.50 × 102,077.56
  4. Step 4: Simplify right side
    186,957.16x = 26,336,469,829.02
  5. Step 5: Solve for x
    x = 26,336,469,829.02/186,957.16
  6. Step 6: Final answer
    x = 140,869.01

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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.