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Finding the Fourth Proportional to 176,355.90, 264,145.05 and 123,479.10

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Solution

The fourth proportional to 176,355.90, 264,145.05 and 123,479.10 is: 184,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,355.90 : 264,145.05 = 123,479.10 : x
  2. Step 2: Convert to fraction form
    176,355.90/264,145.05 = 123,479.10/x
  3. Step 3: Cross multiply
    176,355.90x = 264,145.05 × 123,479.10
  4. Step 4: Simplify right side
    176,355.90x = 32,616,393,043.46
  5. Step 5: Solve for x
    x = 32,616,393,043.46/176,355.90
  6. Step 6: Final answer
    x = 184,946.42

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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.