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Finding the Fourth Proportional to 186,541.02, 279,809.46 and 111,682.08

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Solution

The fourth proportional to 186,541.02, 279,809.46 and 111,682.08 is: 167,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,541.02 : 279,809.46 = 111,682.08 : x
  2. Step 2: Convert to fraction form
    186,541.02/279,809.46 = 111,682.08/x
  3. Step 3: Cross multiply
    186,541.02x = 279,809.46 × 111,682.08
  4. Step 4: Simplify right side
    186,541.02x = 31,249,702,496.48
  5. Step 5: Solve for x
    x = 31,249,702,496.48/186,541.02
  6. Step 6: Final answer
    x = 167,521.88

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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.