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Finding the Fourth Proportional to 176,109.80, 264,164.70 and 156,864.20

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Solution

The fourth proportional to 176,109.80, 264,164.70 and 156,864.20 is: 235,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,109.80 : 264,164.70 = 156,864.20 : x
  2. Step 2: Convert to fraction form
    176,109.80/264,164.70 = 156,864.20/x
  3. Step 3: Cross multiply
    176,109.80x = 264,164.70 × 156,864.20
  4. Step 4: Simplify right side
    176,109.80x = 41,437,984,333.74
  5. Step 5: Solve for x
    x = 41,437,984,333.74/176,109.80
  6. Step 6: Final answer
    x = 235,296.30

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1.5x scale

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.