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Finding the Fourth Proportional to 140,333.77, 210,601.50 and 56,045.62

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Solution

The fourth proportional to 140,333.77, 210,601.50 and 56,045.62 is: 84,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,333.77 : 210,601.50 = 56,045.62 : x
  2. Step 2: Convert to fraction form
    140,333.77/210,601.50 = 56,045.62/x
  3. Step 3: Cross multiply
    140,333.77x = 210,601.50 × 56,045.62
  4. Step 4: Simplify right side
    140,333.77x = 11,803,291,640.43
  5. Step 5: Solve for x
    x = 11,803,291,640.43/140,333.77
  6. Step 6: Final answer
    x = 84,108.70

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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.