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Finding the Fourth Proportional to 170,415.70, 255,623.55 and 152,044.90

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Solution

The fourth proportional to 170,415.70, 255,623.55 and 152,044.90 is: 228,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,415.70 : 255,623.55 = 152,044.90 : x
  2. Step 2: Convert to fraction form
    170,415.70/255,623.55 = 152,044.90/x
  3. Step 3: Cross multiply
    170,415.70x = 255,623.55 × 152,044.90
  4. Step 4: Simplify right side
    170,415.70x = 38,866,257,097.40
  5. Step 5: Solve for x
    x = 38,866,257,097.40/170,415.70
  6. Step 6: Final answer
    x = 228,067.35

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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.