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Finding the Fourth Proportional to 348,071.16, 522,107.21 and 95,353.91

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Solution

The fourth proportional to 348,071.16, 522,107.21 and 95,353.91 is: 143,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,071.16 : 522,107.21 = 95,353.91 : x
  2. Step 2: Convert to fraction form
    348,071.16/522,107.21 = 95,353.91/x
  3. Step 3: Cross multiply
    348,071.16x = 522,107.21 × 95,353.91
  4. Step 4: Simplify right side
    348,071.16x = 49,784,960,825.39
  5. Step 5: Solve for x
    x = 49,784,960,825.39/348,071.16
  6. Step 6: Final answer
    x = 143,030.98

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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.