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Finding the Fourth Proportional to 319,788.84, 479,599.62 and 95,088.76

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Solution

The fourth proportional to 319,788.84, 479,599.62 and 95,088.76 is: 142,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788.84 : 479,599.62 = 95,088.76 : x
  2. Step 2: Convert to fraction form
    319,788.84/479,599.62 = 95,088.76/x
  3. Step 3: Cross multiply
    319,788.84x = 479,599.62 × 95,088.76
  4. Step 4: Simplify right side
    319,788.84x = 45,604,533,162.27
  5. Step 5: Solve for x
    x = 45,604,533,162.27/319,788.84
  6. Step 6: Final answer
    x = 142,608.27

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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.