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Finding the Fourth Proportional to 186,064.70, 279,097.05 and 92,752.70

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Solution

The fourth proportional to 186,064.70, 279,097.05 and 92,752.70 is: 139,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,064.70 : 279,097.05 = 92,752.70 : x
  2. Step 2: Convert to fraction form
    186,064.70/279,097.05 = 92,752.70/x
  3. Step 3: Cross multiply
    186,064.70x = 279,097.05 × 92,752.70
  4. Step 4: Simplify right side
    186,064.70x = 25,887,004,949.54
  5. Step 5: Solve for x
    x = 25,887,004,949.54/186,064.70
  6. Step 6: Final answer
    x = 139,129.05

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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.