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Finding the Fourth Proportional to 186,533.76, 279,696.96 and 75,596.16

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Solution

The fourth proportional to 186,533.76, 279,696.96 and 75,596.16 is: 113,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,533.76 : 279,696.96 = 75,596.16 : x
  2. Step 2: Convert to fraction form
    186,533.76/279,696.96 = 75,596.16/x
  3. Step 3: Cross multiply
    186,533.76x = 279,696.96 × 75,596.16
  4. Step 4: Simplify right side
    186,533.76x = 21,144,016,139.67
  5. Step 5: Solve for x
    x = 21,144,016,139.67/186,533.76
  6. Step 6: Final answer
    x = 113,352.22

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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.