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Finding the Fourth Proportional to 186,173.54, 256,922.12 and 101,290.67

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Solution

The fourth proportional to 186,173.54, 256,922.12 and 101,290.67 is: 139,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,173.54 : 256,922.12 = 101,290.67 : x
  2. Step 2: Convert to fraction form
    186,173.54/256,922.12 = 101,290.67/x
  3. Step 3: Cross multiply
    186,173.54x = 256,922.12 × 101,290.67
  4. Step 4: Simplify right side
    186,173.54x = 26,023,813,166.17
  5. Step 5: Solve for x
    x = 26,023,813,166.17/186,173.54
  6. Step 6: Final answer
    x = 139,782.56

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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.