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Finding the Fourth Proportional to 114,230.80, 171,327.30 and 38,328.40

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Solution

The fourth proportional to 114,230.80, 171,327.30 and 38,328.40 is: 57,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,230.80 : 171,327.30 = 38,328.40 : x
  2. Step 2: Convert to fraction form
    114,230.80/171,327.30 = 38,328.40/x
  3. Step 3: Cross multiply
    114,230.80x = 171,327.30 × 38,328.40
  4. Step 4: Simplify right side
    114,230.80x = 6,566,701,285.32
  5. Step 5: Solve for x
    x = 6,566,701,285.32/114,230.80
  6. Step 6: Final answer
    x = 57,486.26

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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.