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Finding the Fourth Proportional to 174,351, 261,565.38 and 63,543

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Solution

The fourth proportional to 174,351, 261,565.38 and 63,543 is: 95,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,351 : 261,565.38 = 63,543 : x
  2. Step 2: Convert to fraction form
    174,351/261,565.38 = 63,543/x
  3. Step 3: Cross multiply
    174,351x = 261,565.38 × 63,543
  4. Step 4: Simplify right side
    174,351x = 16,620,648,941.34
  5. Step 5: Solve for x
    x = 16,620,648,941.34/174,351
  6. Step 6: Final answer
    x = 95,328.67

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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.