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Finding the Fourth Proportional to 114,291.60, 171,048.60 and 100,294.80

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Solution

The fourth proportional to 114,291.60, 171,048.60 and 100,294.80 is: 150,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,291.60 : 171,048.60 = 100,294.80 : x
  2. Step 2: Convert to fraction form
    114,291.60/171,048.60 = 100,294.80/x
  3. Step 3: Cross multiply
    114,291.60x = 171,048.60 × 100,294.80
  4. Step 4: Simplify right side
    114,291.60x = 17,155,285,127.28
  5. Step 5: Solve for x
    x = 17,155,285,127.28/114,291.60
  6. Step 6: Final answer
    x = 150,101.01

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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.