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Finding the Fourth Proportional to 196,347, 294,520.50 and 48,603

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Solution

The fourth proportional to 196,347, 294,520.50 and 48,603 is: 72,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,347 : 294,520.50 = 48,603 : x
  2. Step 2: Convert to fraction form
    196,347/294,520.50 = 48,603/x
  3. Step 3: Cross multiply
    196,347x = 294,520.50 × 48,603
  4. Step 4: Simplify right side
    196,347x = 14,314,579,861.50
  5. Step 5: Solve for x
    x = 14,314,579,861.50/196,347
  6. Step 6: Final answer
    x = 72,904.50

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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.