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Finding the Fourth Proportional to 97,411.40, 146,001.90 and 50,640.20

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Solution

The fourth proportional to 97,411.40, 146,001.90 and 50,640.20 is: 75,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,411.40 : 146,001.90 = 50,640.20 : x
  2. Step 2: Convert to fraction form
    97,411.40/146,001.90 = 50,640.20/x
  3. Step 3: Cross multiply
    97,411.40x = 146,001.90 × 50,640.20
  4. Step 4: Simplify right side
    97,411.40x = 7,393,565,416.38
  5. Step 5: Solve for x
    x = 7,393,565,416.38/97,411.40
  6. Step 6: Final answer
    x = 75,900.41

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1.5x scale

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.