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Finding the Fourth Proportional to 179,430.70, 269,016.45 and 100,569.10

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Solution

The fourth proportional to 179,430.70, 269,016.45 and 100,569.10 is: 150,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,430.70 : 269,016.45 = 100,569.10 : x
  2. Step 2: Convert to fraction form
    179,430.70/269,016.45 = 100,569.10/x
  3. Step 3: Cross multiply
    179,430.70x = 269,016.45 × 100,569.10
  4. Step 4: Simplify right side
    179,430.70x = 27,054,742,261.70
  5. Step 5: Solve for x
    x = 27,054,742,261.70/179,430.70
  6. Step 6: Final answer
    x = 150,781.01

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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.