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Finding the Fourth Proportional to 342,701.80, 514,052.58 and 93,383.80

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Solution

The fourth proportional to 342,701.80, 514,052.58 and 93,383.80 is: 140,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,701.80 : 514,052.58 = 93,383.80 : x
  2. Step 2: Convert to fraction form
    342,701.80/514,052.58 = 93,383.80/x
  3. Step 3: Cross multiply
    342,701.80x = 514,052.58 × 93,383.80
  4. Step 4: Simplify right side
    342,701.80x = 48,004,183,320.20
  5. Step 5: Solve for x
    x = 48,004,183,320.20/342,701.80
  6. Step 6: Final answer
    x = 140,075.67

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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.