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Finding the Fourth Proportional to 77,904.63, 107,597.04 and 52,366.65

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Solution

The fourth proportional to 77,904.63, 107,597.04 and 52,366.65 is: 72,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,904.63 : 107,597.04 = 52,366.65 : x
  2. Step 2: Convert to fraction form
    77,904.63/107,597.04 = 52,366.65/x
  3. Step 3: Cross multiply
    77,904.63x = 107,597.04 × 52,366.65
  4. Step 4: Simplify right side
    77,904.63x = 5,634,496,534.72
  5. Step 5: Solve for x
    x = 5,634,496,534.72/77,904.63
  6. Step 6: Final answer
    x = 72,325.57

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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.