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Finding the Fourth Proportional to 176,258.94, 264,280.41 and 69,513.90

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Solution

The fourth proportional to 176,258.94, 264,280.41 and 69,513.90 is: 104,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,258.94 : 264,280.41 = 69,513.90 : x
  2. Step 2: Convert to fraction form
    176,258.94/264,280.41 = 69,513.90/x
  3. Step 3: Cross multiply
    176,258.94x = 264,280.41 × 69,513.90
  4. Step 4: Simplify right side
    176,258.94x = 18,371,161,992.70
  5. Step 5: Solve for x
    x = 18,371,161,992.70/176,258.94
  6. Step 6: Final answer
    x = 104,228.26

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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.