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Finding the Fourth Proportional to 158,802.71, 238,202.66 and 70,056.29

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Solution

The fourth proportional to 158,802.71, 238,202.66 and 70,056.29 is: 105,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,802.71 : 238,202.66 = 70,056.29 : x
  2. Step 2: Convert to fraction form
    158,802.71/238,202.66 = 70,056.29/x
  3. Step 3: Cross multiply
    158,802.71x = 238,202.66 × 70,056.29
  4. Step 4: Simplify right side
    158,802.71x = 16,687,593,086.44
  5. Step 5: Solve for x
    x = 16,687,593,086.44/158,802.71
  6. Step 6: Final answer
    x = 105,083.81

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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.