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Finding the Fourth Proportional to 78,846.15, 108,818.11 and 44,848.07

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Solution

The fourth proportional to 78,846.15, 108,818.11 and 44,848.07 is: 61,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,846.15 : 108,818.11 = 44,848.07 : x
  2. Step 2: Convert to fraction form
    78,846.15/108,818.11 = 44,848.07/x
  3. Step 3: Cross multiply
    78,846.15x = 108,818.11 × 44,848.07
  4. Step 4: Simplify right side
    78,846.15x = 4,880,282,374.47
  5. Step 5: Solve for x
    x = 4,880,282,374.47/78,846.15
  6. Step 6: Final answer
    x = 61,896.27

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1.5x scale

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.