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Finding the Fourth Proportional to 176,587.20, 264,880.80 and 117,230.40

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Solution

The fourth proportional to 176,587.20, 264,880.80 and 117,230.40 is: 175,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,587.20 : 264,880.80 = 117,230.40 : x
  2. Step 2: Convert to fraction form
    176,587.20/264,880.80 = 117,230.40/x
  3. Step 3: Cross multiply
    176,587.20x = 264,880.80 × 117,230.40
  4. Step 4: Simplify right side
    176,587.20x = 31,052,082,136.32
  5. Step 5: Solve for x
    x = 31,052,082,136.32/176,587.20
  6. Step 6: Final answer
    x = 175,845.60

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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.