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Finding the Fourth Proportional to 186,677.61, 257,614.62 and 101,794.67

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Solution

The fourth proportional to 186,677.61, 257,614.62 and 101,794.67 is: 140,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,677.61 : 257,614.62 = 101,794.67 : x
  2. Step 2: Convert to fraction form
    186,677.61/257,614.62 = 101,794.67/x
  3. Step 3: Cross multiply
    186,677.61x = 257,614.62 × 101,794.67
  4. Step 4: Simplify right side
    186,677.61x = 26,223,795,230.08
  5. Step 5: Solve for x
    x = 26,223,795,230.08/186,677.61
  6. Step 6: Final answer
    x = 140,476.38

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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.