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Finding the Fourth Proportional to 176,477.76, 264,766.05 and 71,370.54

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Solution

The fourth proportional to 176,477.76, 264,766.05 and 71,370.54 is: 107,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,477.76 : 264,766.05 = 71,370.54 : x
  2. Step 2: Convert to fraction form
    176,477.76/264,766.05 = 71,370.54/x
  3. Step 3: Cross multiply
    176,477.76x = 264,766.05 × 71,370.54
  4. Step 4: Simplify right side
    176,477.76x = 18,896,495,962.17
  5. Step 5: Solve for x
    x = 18,896,495,962.17/176,477.76
  6. Step 6: Final answer
    x = 107,075.79

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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.