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Finding the Fourth Proportional to 176,478.90, 264,329.55 and 156,779.70

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Solution

The fourth proportional to 176,478.90, 264,329.55 and 156,779.70 is: 234,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,478.90 : 264,329.55 = 156,779.70 : x
  2. Step 2: Convert to fraction form
    176,478.90/264,329.55 = 156,779.70/x
  3. Step 3: Cross multiply
    176,478.90x = 264,329.55 × 156,779.70
  4. Step 4: Simplify right side
    176,478.90x = 41,441,507,550.14
  5. Step 5: Solve for x
    x = 41,441,507,550.14/176,478.90
  6. Step 6: Final answer
    x = 234,824.15

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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.