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Finding the Fourth Proportional to 219,472.16, 329,208.30 and 61,700.66

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Solution

The fourth proportional to 219,472.16, 329,208.30 and 61,700.66 is: 92,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,472.16 : 329,208.30 = 61,700.66 : x
  2. Step 2: Convert to fraction form
    219,472.16/329,208.30 = 61,700.66/x
  3. Step 3: Cross multiply
    219,472.16x = 329,208.30 × 61,700.66
  4. Step 4: Simplify right side
    219,472.16x = 20,312,369,387.48
  5. Step 5: Solve for x
    x = 20,312,369,387.48/219,472.16
  6. Step 6: Final answer
    x = 92,551.01

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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.