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Finding the Fourth Proportional to 200,459.16, 299,992.56 and 124,526.52

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Solution

The fourth proportional to 200,459.16, 299,992.56 and 124,526.52 is: 186,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,459.16 : 299,992.56 = 124,526.52 : x
  2. Step 2: Convert to fraction form
    200,459.16/299,992.56 = 124,526.52/x
  3. Step 3: Cross multiply
    200,459.16x = 299,992.56 × 124,526.52
  4. Step 4: Simplify right side
    200,459.16x = 37,357,029,522.69
  5. Step 5: Solve for x
    x = 37,357,029,522.69/200,459.16
  6. Step 6: Final answer
    x = 186,357.31

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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.