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Finding the Fourth Proportional to 186,034.48, 278,911.20 and 95,980.72

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Solution

The fourth proportional to 186,034.48, 278,911.20 and 95,980.72 is: 143,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,034.48 : 278,911.20 = 95,980.72 : x
  2. Step 2: Convert to fraction form
    186,034.48/278,911.20 = 95,980.72/x
  3. Step 3: Cross multiply
    186,034.48x = 278,911.20 × 95,980.72
  4. Step 4: Simplify right side
    186,034.48x = 26,770,097,792.06
  5. Step 5: Solve for x
    x = 26,770,097,792.06/186,034.48
  6. Step 6: Final answer
    x = 143,898.58

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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.