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Finding the Fourth Proportional to 347,281.64, 520,942.62 and 134,050.76

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Solution

The fourth proportional to 347,281.64, 520,942.62 and 134,050.76 is: 201,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,281.64 : 520,942.62 = 134,050.76 : x
  2. Step 2: Convert to fraction form
    347,281.64/520,942.62 = 134,050.76/x
  3. Step 3: Cross multiply
    347,281.64x = 520,942.62 × 134,050.76
  4. Step 4: Simplify right side
    347,281.64x = 69,832,754,127.39
  5. Step 5: Solve for x
    x = 69,832,754,127.39/347,281.64
  6. Step 6: Final answer
    x = 201,083.92

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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.