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Finding the Fourth Proportional to 176,492.80, 264,847.86 and 69,858.60

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Solution

The fourth proportional to 176,492.80, 264,847.86 and 69,858.60 is: 104,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,492.80 : 264,847.86 = 69,858.60 : x
  2. Step 2: Convert to fraction form
    176,492.80/264,847.86 = 69,858.60/x
  3. Step 3: Cross multiply
    176,492.80x = 264,847.86 × 69,858.60
  4. Step 4: Simplify right side
    176,492.80x = 18,501,900,712.60
  5. Step 5: Solve for x
    x = 18,501,900,712.60/176,492.80
  6. Step 6: Final answer
    x = 104,830.91

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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.