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Finding the Fourth Proportional to 176,358.16, 264,356.06 and 69,698.78

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Solution

The fourth proportional to 176,358.16, 264,356.06 and 69,698.78 is: 104,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,358.16 : 264,356.06 = 69,698.78 : x
  2. Step 2: Convert to fraction form
    176,358.16/264,356.06 = 69,698.78/x
  3. Step 3: Cross multiply
    176,358.16x = 264,356.06 × 69,698.78
  4. Step 4: Simplify right side
    176,358.16x = 18,425,294,188.67
  5. Step 5: Solve for x
    x = 18,425,294,188.67/176,358.16
  6. Step 6: Final answer
    x = 104,476.56

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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.