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Finding the Fourth Proportional to 79,234.80, 118,852.20 and 60,572.40

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Solution

The fourth proportional to 79,234.80, 118,852.20 and 60,572.40 is: 90,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,234.80 : 118,852.20 = 60,572.40 : x
  2. Step 2: Convert to fraction form
    79,234.80/118,852.20 = 60,572.40/x
  3. Step 3: Cross multiply
    79,234.80x = 118,852.20 × 60,572.40
  4. Step 4: Simplify right side
    79,234.80x = 7,199,162,999.28
  5. Step 5: Solve for x
    x = 7,199,162,999.28/79,234.80
  6. Step 6: Final answer
    x = 90,858.60

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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.