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Finding the Fourth Proportional to 186,626.25, 257,544.23 and 119,558.25

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Solution

The fourth proportional to 186,626.25, 257,544.23 and 119,558.25 is: 164,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626.25 : 257,544.23 = 119,558.25 : x
  2. Step 2: Convert to fraction form
    186,626.25/257,544.23 = 119,558.25/x
  3. Step 3: Cross multiply
    186,626.25x = 257,544.23 × 119,558.25
  4. Step 4: Simplify right side
    186,626.25x = 30,791,536,838.61
  5. Step 5: Solve for x
    x = 30,791,536,838.61/186,626.25
  6. Step 6: Final answer
    x = 164,990.39

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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.