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Finding the Fourth Proportional to 199,376.72, 299,081.28 and 59,134.94

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Solution

The fourth proportional to 199,376.72, 299,081.28 and 59,134.94 is: 88,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,376.72 : 299,081.28 = 59,134.94 : x
  2. Step 2: Convert to fraction form
    199,376.72/299,081.28 = 59,134.94/x
  3. Step 3: Cross multiply
    199,376.72x = 299,081.28 × 59,134.94
  4. Step 4: Simplify right side
    199,376.72x = 17,686,153,547.92
  5. Step 5: Solve for x
    x = 17,686,153,547.92/199,376.72
  6. Step 6: Final answer
    x = 88,707.21

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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.