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Finding the Fourth Proportional to 186,580.60, 257,471.70 and 101,696.92

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Solution

The fourth proportional to 186,580.60, 257,471.70 and 101,696.92 is: 140,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,580.60 : 257,471.70 = 101,696.92 : x
  2. Step 2: Convert to fraction form
    186,580.60/257,471.70 = 101,696.92/x
  3. Step 3: Cross multiply
    186,580.60x = 257,471.70 × 101,696.92
  4. Step 4: Simplify right side
    186,580.60x = 26,184,078,877.16
  5. Step 5: Solve for x
    x = 26,184,078,877.16/186,580.60
  6. Step 6: Final answer
    x = 140,336.56

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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.