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Finding the Fourth Proportional to 228,993.36, 315,901.98 and 152,547.96

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Solution

The fourth proportional to 228,993.36, 315,901.98 and 152,547.96 is: 210,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,993.36 : 315,901.98 = 152,547.96 : x
  2. Step 2: Convert to fraction form
    228,993.36/315,901.98 = 152,547.96/x
  3. Step 3: Cross multiply
    228,993.36x = 315,901.98 × 152,547.96
  4. Step 4: Simplify right side
    228,993.36x = 48,190,202,608.96
  5. Step 5: Solve for x
    x = 48,190,202,608.96/228,993.36
  6. Step 6: Final answer
    x = 210,443.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.