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Finding the Fourth Proportional to 101,596.77, 152,488.68 and 51,712.50

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Solution

The fourth proportional to 101,596.77, 152,488.68 and 51,712.50 is: 77,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,596.77 : 152,488.68 = 51,712.50 : x
  2. Step 2: Convert to fraction form
    101,596.77/152,488.68 = 51,712.50/x
  3. Step 3: Cross multiply
    101,596.77x = 152,488.68 × 51,712.50
  4. Step 4: Simplify right side
    101,596.77x = 7,885,570,864.50
  5. Step 5: Solve for x
    x = 7,885,570,864.50/101,596.77
  6. Step 6: Final answer
    x = 77,616.35

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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.