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Finding the Fourth Proportional to 346,723.62, 520,103.25 and 97,425.06

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Solution

The fourth proportional to 346,723.62, 520,103.25 and 97,425.06 is: 146,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.62 : 520,103.25 = 97,425.06 : x
  2. Step 2: Convert to fraction form
    346,723.62/520,103.25 = 97,425.06/x
  3. Step 3: Cross multiply
    346,723.62x = 520,103.25 × 97,425.06
  4. Step 4: Simplify right side
    346,723.62x = 50,671,090,337.45
  5. Step 5: Solve for x
    x = 50,671,090,337.45/346,723.62
  6. Step 6: Final answer
    x = 146,142.60

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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.