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Finding the Fourth Proportional to 117,276.72, 175,808.45 and 61,050.77

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Solution

The fourth proportional to 117,276.72, 175,808.45 and 61,050.77 is: 91,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,276.72 : 175,808.45 = 61,050.77 : x
  2. Step 2: Convert to fraction form
    117,276.72/175,808.45 = 61,050.77/x
  3. Step 3: Cross multiply
    117,276.72x = 175,808.45 × 61,050.77
  4. Step 4: Simplify right side
    117,276.72x = 10,733,240,060.71
  5. Step 5: Solve for x
    x = 10,733,240,060.71/117,276.72
  6. Step 6: Final answer
    x = 91,520.64

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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.