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Finding the Fourth Proportional to 186,672.64, 280,008.43 and 46,431.27

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Solution

The fourth proportional to 186,672.64, 280,008.43 and 46,431.27 is: 69,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,672.64 : 280,008.43 = 46,431.27 : x
  2. Step 2: Convert to fraction form
    186,672.64/280,008.43 = 46,431.27/x
  3. Step 3: Cross multiply
    186,672.64x = 280,008.43 × 46,431.27
  4. Step 4: Simplify right side
    186,672.64x = 13,001,145,383.41
  5. Step 5: Solve for x
    x = 13,001,145,383.41/186,672.64
  6. Step 6: Final answer
    x = 69,646.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.