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Finding the Fourth Proportional to 240,510.16, 360,761.46 and 82,739.98

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Solution

The fourth proportional to 240,510.16, 360,761.46 and 82,739.98 is: 124,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,510.16 : 360,761.46 = 82,739.98 : x
  2. Step 2: Convert to fraction form
    240,510.16/360,761.46 = 82,739.98/x
  3. Step 3: Cross multiply
    240,510.16x = 360,761.46 × 82,739.98
  4. Step 4: Simplify right side
    240,510.16x = 29,849,395,985.17
  5. Step 5: Solve for x
    x = 29,849,395,985.17/240,510.16
  6. Step 6: Final answer
    x = 124,108.67

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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.