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Finding the Fourth Proportional to 349,495.50, 524,110.05 and 124,813.98

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Solution

The fourth proportional to 349,495.50, 524,110.05 and 124,813.98 is: 187,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,495.50 : 524,110.05 = 124,813.98 : x
  2. Step 2: Convert to fraction form
    349,495.50/524,110.05 = 124,813.98/x
  3. Step 3: Cross multiply
    349,495.50x = 524,110.05 × 124,813.98
  4. Step 4: Simplify right side
    349,495.50x = 65,416,261,298.50
  5. Step 5: Solve for x
    x = 65,416,261,298.50/349,495.50
  6. Step 6: Final answer
    x = 187,173.40

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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.