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Finding the Fourth Proportional to 186,156.41, 280,476.68 and 168,406.86

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Solution

The fourth proportional to 186,156.41, 280,476.68 and 168,406.86 is: 253,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,156.41 : 280,476.68 = 168,406.86 : x
  2. Step 2: Convert to fraction form
    186,156.41/280,476.68 = 168,406.86/x
  3. Step 3: Cross multiply
    186,156.41x = 280,476.68 × 168,406.86
  4. Step 4: Simplify right side
    186,156.41x = 47,234,197,607.07
  5. Step 5: Solve for x
    x = 47,234,197,607.07/186,156.41
  6. Step 6: Final answer
    x = 253,733.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.