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Finding the Fourth Proportional to 186,355.08, 257,171.22 and 101,472.48

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Solution

The fourth proportional to 186,355.08, 257,171.22 and 101,472.48 is: 140,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,355.08 : 257,171.22 = 101,472.48 : x
  2. Step 2: Convert to fraction form
    186,355.08/257,171.22 = 101,472.48/x
  3. Step 3: Cross multiply
    186,355.08x = 257,171.22 × 101,472.48
  4. Step 4: Simplify right side
    186,355.08x = 26,095,801,478.03
  5. Step 5: Solve for x
    x = 26,095,801,478.03/186,355.08
  6. Step 6: Final answer
    x = 140,032.68

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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.