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Finding the Fourth Proportional to 221,570.46, 332,326.53 and 61,657.02

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Solution

The fourth proportional to 221,570.46, 332,326.53 and 61,657.02 is: 92,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,570.46 : 332,326.53 = 61,657.02 : x
  2. Step 2: Convert to fraction form
    221,570.46/332,326.53 = 61,657.02/x
  3. Step 3: Cross multiply
    221,570.46x = 332,326.53 × 61,657.02
  4. Step 4: Simplify right side
    221,570.46x = 20,490,263,506.74
  5. Step 5: Solve for x
    x = 20,490,263,506.74/221,570.46
  6. Step 6: Final answer
    x = 92,477.42

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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.