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Finding the Fourth Proportional to 174,454.30, 261,033.45 and 127,798.30

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Solution

The fourth proportional to 174,454.30, 261,033.45 and 127,798.30 is: 191,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,454.30 : 261,033.45 = 127,798.30 : x
  2. Step 2: Convert to fraction form
    174,454.30/261,033.45 = 127,798.30/x
  3. Step 3: Cross multiply
    174,454.30x = 261,033.45 × 127,798.30
  4. Step 4: Simplify right side
    174,454.30x = 33,359,631,153.14
  5. Step 5: Solve for x
    x = 33,359,631,153.14/174,454.30
  6. Step 6: Final answer
    x = 191,222.75

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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.