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Finding the Fourth Proportional to 246,852.72, 370,221.36 and 69,376.80

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Solution

The fourth proportional to 246,852.72, 370,221.36 and 69,376.80 is: 104,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,852.72 : 370,221.36 = 69,376.80 : x
  2. Step 2: Convert to fraction form
    246,852.72/370,221.36 = 69,376.80/x
  3. Step 3: Cross multiply
    246,852.72x = 370,221.36 × 69,376.80
  4. Step 4: Simplify right side
    246,852.72x = 25,684,773,248.45
  5. Step 5: Solve for x
    x = 25,684,773,248.45/246,852.72
  6. Step 6: Final answer
    x = 104,048.98

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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.