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Finding the Fourth Proportional to 219,298.88, 328,955.00 and 61,527.48

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Solution

The fourth proportional to 219,298.88, 328,955.00 and 61,527.48 is: 92,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,298.88 : 328,955.00 = 61,527.48 : x
  2. Step 2: Convert to fraction form
    219,298.88/328,955.00 = 61,527.48/x
  3. Step 3: Cross multiply
    219,298.88x = 328,955.00 × 61,527.48
  4. Step 4: Simplify right side
    219,298.88x = 20,239,771,875.76
  5. Step 5: Solve for x
    x = 20,239,771,875.76/219,298.88
  6. Step 6: Final answer
    x = 92,293.09

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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.