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Finding the Fourth Proportional to 114,024.30, 171,036.45 and 30,918.30

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Solution

The fourth proportional to 114,024.30, 171,036.45 and 30,918.30 is: 46,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,024.30 : 171,036.45 = 30,918.30 : x
  2. Step 2: Convert to fraction form
    114,024.30/171,036.45 = 30,918.30/x
  3. Step 3: Cross multiply
    114,024.30x = 171,036.45 × 30,918.30
  4. Step 4: Simplify right side
    114,024.30x = 5,288,156,272.04
  5. Step 5: Solve for x
    x = 5,288,156,272.04/114,024.30
  6. Step 6: Final answer
    x = 46,377.45

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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.