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Finding the Fourth Proportional to 96,412.85, 133,045.84 and 56,127.77

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Solution

The fourth proportional to 96,412.85, 133,045.84 and 56,127.77 is: 77,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,412.85 : 133,045.84 = 56,127.77 : x
  2. Step 2: Convert to fraction form
    96,412.85/133,045.84 = 56,127.77/x
  3. Step 3: Cross multiply
    96,412.85x = 133,045.84 × 56,127.77
  4. Step 4: Simplify right side
    96,412.85x = 7,467,566,306.98
  5. Step 5: Solve for x
    x = 7,467,566,306.98/96,412.85
  6. Step 6: Final answer
    x = 77,454.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.