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Finding the Fourth Proportional to 357,655.80, 536,483.70 and 108,337.80

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Solution

The fourth proportional to 357,655.80, 536,483.70 and 108,337.80 is: 162,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,655.80 : 536,483.70 = 108,337.80 : x
  2. Step 2: Convert to fraction form
    357,655.80/536,483.70 = 108,337.80/x
  3. Step 3: Cross multiply
    357,655.80x = 536,483.70 × 108,337.80
  4. Step 4: Simplify right side
    357,655.80x = 58,121,463,793.86
  5. Step 5: Solve for x
    x = 58,121,463,793.86/357,655.80
  6. Step 6: Final answer
    x = 162,506.70

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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.