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Finding the Fourth Proportional to 79,267.60, 118,901.40 and 41,813.20

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Solution

The fourth proportional to 79,267.60, 118,901.40 and 41,813.20 is: 62,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.60 : 118,901.40 = 41,813.20 : x
  2. Step 2: Convert to fraction form
    79,267.60/118,901.40 = 41,813.20/x
  3. Step 3: Cross multiply
    79,267.60x = 118,901.40 × 41,813.20
  4. Step 4: Simplify right side
    79,267.60x = 4,971,648,018.48
  5. Step 5: Solve for x
    x = 4,971,648,018.48/79,267.60
  6. Step 6: Final answer
    x = 62,719.80

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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.