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Finding the Fourth Proportional to 186,028.20, 260,789.40 and 186,028.20

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Solution

The fourth proportional to 186,028.20, 260,789.40 and 186,028.20 is: 260,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,028.20 : 260,789.40 = 186,028.20 : x
  2. Step 2: Convert to fraction form
    186,028.20/260,789.40 = 186,028.20/x
  3. Step 3: Cross multiply
    186,028.20x = 260,789.40 × 186,028.20
  4. Step 4: Simplify right side
    186,028.20x = 48,514,182,661.08
  5. Step 5: Solve for x
    x = 48,514,182,661.08/186,028.20
  6. Step 6: Final answer
    x = 260,789.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.