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Finding the Fourth Proportional to 248,674.80, 373,012.20 and 61,686.30

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Solution

The fourth proportional to 248,674.80, 373,012.20 and 61,686.30 is: 92,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,674.80 : 373,012.20 = 61,686.30 : x
  2. Step 2: Convert to fraction form
    248,674.80/373,012.20 = 61,686.30/x
  3. Step 3: Cross multiply
    248,674.80x = 373,012.20 × 61,686.30
  4. Step 4: Simplify right side
    248,674.80x = 23,009,742,472.86
  5. Step 5: Solve for x
    x = 23,009,742,472.86/248,674.80
  6. Step 6: Final answer
    x = 92,529.45

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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.