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Finding the Fourth Proportional to 342,852.56, 514,360.95 and 143,061.81

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Solution

The fourth proportional to 342,852.56, 514,360.95 and 143,061.81 is: 214,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,852.56 : 514,360.95 = 143,061.81 : x
  2. Step 2: Convert to fraction form
    342,852.56/514,360.95 = 143,061.81/x
  3. Step 3: Cross multiply
    342,852.56x = 514,360.95 × 143,061.81
  4. Step 4: Simplify right side
    342,852.56x = 73,585,408,500.32
  5. Step 5: Solve for x
    x = 73,585,408,500.32/342,852.56
  6. Step 6: Final answer
    x = 214,626.98

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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.