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Finding the Fourth Proportional to 114,030.30, 171,081.90 and 39,198.45

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Solution

The fourth proportional to 114,030.30, 171,081.90 and 39,198.45 is: 58,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,030.30 : 171,081.90 = 39,198.45 : x
  2. Step 2: Convert to fraction form
    114,030.30/171,081.90 = 39,198.45/x
  3. Step 3: Cross multiply
    114,030.30x = 171,081.90 × 39,198.45
  4. Step 4: Simplify right side
    114,030.30x = 6,706,145,303.06
  5. Step 5: Solve for x
    x = 6,706,145,303.06/114,030.30
  6. Step 6: Final answer
    x = 58,810.20

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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.