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Finding the Fourth Proportional to 264,529.52, 396,750.48 and 87,038.72

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Solution

The fourth proportional to 264,529.52, 396,750.48 and 87,038.72 is: 130,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,529.52 : 396,750.48 = 87,038.72 : x
  2. Step 2: Convert to fraction form
    264,529.52/396,750.48 = 87,038.72/x
  3. Step 3: Cross multiply
    264,529.52x = 396,750.48 × 87,038.72
  4. Step 4: Simplify right side
    264,529.52x = 34,532,653,938.59
  5. Step 5: Solve for x
    x = 34,532,653,938.59/264,529.52
  6. Step 6: Final answer
    x = 130,543.67

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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.