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Finding the Fourth Proportional to 78,843.84, 108,783.72 and 44,852.64

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Solution

The fourth proportional to 78,843.84, 108,783.72 and 44,852.64 is: 61,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,843.84 : 108,783.72 = 44,852.64 : x
  2. Step 2: Convert to fraction form
    78,843.84/108,783.72 = 44,852.64/x
  3. Step 3: Cross multiply
    78,843.84x = 108,783.72 × 44,852.64
  4. Step 4: Simplify right side
    78,843.84x = 4,879,237,031.02
  5. Step 5: Solve for x
    x = 4,879,237,031.02/78,843.84
  6. Step 6: Final answer
    x = 61,884.82

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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.