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Finding the Fourth Proportional to 153,273.66, 229,916.27 and 69,017.67

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Solution

The fourth proportional to 153,273.66, 229,916.27 and 69,017.67 is: 103,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,273.66 : 229,916.27 = 69,017.67 : x
  2. Step 2: Convert to fraction form
    153,273.66/229,916.27 = 69,017.67/x
  3. Step 3: Cross multiply
    153,273.66x = 229,916.27 × 69,017.67
  4. Step 4: Simplify right side
    153,273.66x = 15,868,285,250.49
  5. Step 5: Solve for x
    x = 15,868,285,250.49/153,273.66
  6. Step 6: Final answer
    x = 103,529.11

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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.