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Finding the Fourth Proportional to 152,216.54, 228,415.01 and 84,805.00

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Solution

The fourth proportional to 152,216.54, 228,415.01 and 84,805.00 is: 127,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,216.54 : 228,415.01 = 84,805.00 : x
  2. Step 2: Convert to fraction form
    152,216.54/228,415.01 = 84,805.00/x
  3. Step 3: Cross multiply
    152,216.54x = 228,415.01 × 84,805.00
  4. Step 4: Simplify right side
    152,216.54x = 19,370,735,285.95
  5. Step 5: Solve for x
    x = 19,370,735,285.95/152,216.54
  6. Step 6: Final answer
    x = 127,257.75

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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.