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Finding the Fourth Proportional to 293,005.68, 439,530.42 and 124,507.08

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Solution

The fourth proportional to 293,005.68, 439,530.42 and 124,507.08 is: 186,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,005.68 : 439,530.42 = 124,507.08 : x
  2. Step 2: Convert to fraction form
    293,005.68/439,530.42 = 124,507.08/x
  3. Step 3: Cross multiply
    293,005.68x = 439,530.42 × 124,507.08
  4. Step 4: Simplify right side
    293,005.68x = 54,724,649,165.37
  5. Step 5: Solve for x
    x = 54,724,649,165.37/293,005.68
  6. Step 6: Final answer
    x = 186,769.93

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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.