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Finding the Fourth Proportional to 186,064.70, 279,097.05 and 133,360.70

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Solution

The fourth proportional to 186,064.70, 279,097.05 and 133,360.70 is: 200,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,064.70 : 279,097.05 = 133,360.70 : x
  2. Step 2: Convert to fraction form
    186,064.70/279,097.05 = 133,360.70/x
  3. Step 3: Cross multiply
    186,064.70x = 279,097.05 × 133,360.70
  4. Step 4: Simplify right side
    186,064.70x = 37,220,577,955.94
  5. Step 5: Solve for x
    x = 37,220,577,955.94/186,064.70
  6. Step 6: Final answer
    x = 200,041.05

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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.