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Finding the Fourth Proportional to 78,733.80, 118,100.70 and 59,050.80

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Solution

The fourth proportional to 78,733.80, 118,100.70 and 59,050.80 is: 88,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733.80 : 118,100.70 = 59,050.80 : x
  2. Step 2: Convert to fraction form
    78,733.80/118,100.70 = 59,050.80/x
  3. Step 3: Cross multiply
    78,733.80x = 118,100.70 × 59,050.80
  4. Step 4: Simplify right side
    78,733.80x = 6,973,940,815.56
  5. Step 5: Solve for x
    x = 6,973,940,815.56/78,733.80
  6. Step 6: Final answer
    x = 88,576.20

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1.5x scale

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.