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Finding the Fourth Proportional to 176,312.70, 264,641.85 and 87,666.30

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Solution

The fourth proportional to 176,312.70, 264,641.85 and 87,666.30 is: 131,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,312.70 : 264,641.85 = 87,666.30 : x
  2. Step 2: Convert to fraction form
    176,312.70/264,641.85 = 87,666.30/x
  3. Step 3: Cross multiply
    176,312.70x = 264,641.85 × 87,666.30
  4. Step 4: Simplify right side
    176,312.70x = 23,200,171,814.66
  5. Step 5: Solve for x
    x = 23,200,171,814.66/176,312.70
  6. Step 6: Final answer
    x = 131,585.37

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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.