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Finding the Fourth Proportional to 77,763.77, 116,554.62 and 29,700.88

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Solution

The fourth proportional to 77,763.77, 116,554.62 and 29,700.88 is: 44,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,763.77 : 116,554.62 = 29,700.88 : x
  2. Step 2: Convert to fraction form
    77,763.77/116,554.62 = 29,700.88/x
  3. Step 3: Cross multiply
    77,763.77x = 116,554.62 × 29,700.88
  4. Step 4: Simplify right side
    77,763.77x = 3,461,774,518.52
  5. Step 5: Solve for x
    x = 3,461,774,518.52/77,763.77
  6. Step 6: Final answer
    x = 44,516.55

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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.