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Finding the Fourth Proportional to 581,063.96, 871,646.16 and 160,339.83

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Solution

The fourth proportional to 581,063.96, 871,646.16 and 160,339.83 is: 240,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,063.96 : 871,646.16 = 160,339.83 : x
  2. Step 2: Convert to fraction form
    581,063.96/871,646.16 = 160,339.83/x
  3. Step 3: Cross multiply
    581,063.96x = 871,646.16 × 160,339.83
  4. Step 4: Simplify right side
    581,063.96x = 139,759,597,114.55
  5. Step 5: Solve for x
    x = 139,759,597,114.55/581,063.96
  6. Step 6: Final answer
    x = 240,523.60

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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.