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Finding the Fourth Proportional to 186,056.70, 279,085.05 and 133,352.70

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Solution

The fourth proportional to 186,056.70, 279,085.05 and 133,352.70 is: 200,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,056.70 : 279,085.05 = 133,352.70 : x
  2. Step 2: Convert to fraction form
    186,056.70/279,085.05 = 133,352.70/x
  3. Step 3: Cross multiply
    186,056.70x = 279,085.05 × 133,352.70
  4. Step 4: Simplify right side
    186,056.70x = 37,216,744,947.14
  5. Step 5: Solve for x
    x = 37,216,744,947.14/186,056.70
  6. Step 6: Final answer
    x = 200,029.05

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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.