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Finding the Fourth Proportional to 176,539.70, 264,809.55 and 159,043.70

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Solution

The fourth proportional to 176,539.70, 264,809.55 and 159,043.70 is: 238,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,539.70 : 264,809.55 = 159,043.70 : x
  2. Step 2: Convert to fraction form
    176,539.70/264,809.55 = 159,043.70/x
  3. Step 3: Cross multiply
    176,539.70x = 264,809.55 × 159,043.70
  4. Step 4: Simplify right side
    176,539.70x = 42,116,290,627.34
  5. Step 5: Solve for x
    x = 42,116,290,627.34/176,539.70
  6. Step 6: Final answer
    x = 238,565.55

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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.