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Finding the Fourth Proportional to 357,462.66, 536,267.90 and 104,751.43

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Solution

The fourth proportional to 357,462.66, 536,267.90 and 104,751.43 is: 157,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,462.66 : 536,267.90 = 104,751.43 : x
  2. Step 2: Convert to fraction form
    357,462.66/536,267.90 = 104,751.43/x
  3. Step 3: Cross multiply
    357,462.66x = 536,267.90 × 104,751.43
  4. Step 4: Simplify right side
    357,462.66x = 56,174,829,388.10
  5. Step 5: Solve for x
    x = 56,174,829,388.10/357,462.66
  6. Step 6: Final answer
    x = 157,148.80

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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.