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Finding the Fourth Proportional to 186,507.51, 279,843.95 and 97,739.91

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Solution

The fourth proportional to 186,507.51, 279,843.95 and 97,739.91 is: 146,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,507.51 : 279,843.95 = 97,739.91 : x
  2. Step 2: Convert to fraction form
    186,507.51/279,843.95 = 97,739.91/x
  3. Step 3: Cross multiply
    186,507.51x = 279,843.95 × 97,739.91
  4. Step 4: Simplify right side
    186,507.51x = 27,351,922,731.39
  5. Step 5: Solve for x
    x = 27,351,922,731.39/186,507.51
  6. Step 6: Final answer
    x = 146,653.20

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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.