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Finding the Fourth Proportional to 176,364.54, 264,365.61 and 69,705.15

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Solution

The fourth proportional to 176,364.54, 264,365.61 and 69,705.15 is: 104,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,364.54 : 264,365.61 = 69,705.15 : x
  2. Step 2: Convert to fraction form
    176,364.54/264,365.61 = 69,705.15/x
  3. Step 3: Cross multiply
    176,364.54x = 264,365.61 × 69,705.15
  4. Step 4: Simplify right side
    176,364.54x = 18,427,644,499.89
  5. Step 5: Solve for x
    x = 18,427,644,499.89/176,364.54
  6. Step 6: Final answer
    x = 104,486.11

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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.