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Finding the Fourth Proportional to 173,863.70, 261,112.35 and 152,090.90

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Solution

The fourth proportional to 173,863.70, 261,112.35 and 152,090.90 is: 228,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,863.70 : 261,112.35 = 152,090.90 : x
  2. Step 2: Convert to fraction form
    173,863.70/261,112.35 = 152,090.90/x
  3. Step 3: Cross multiply
    173,863.70x = 261,112.35 × 152,090.90
  4. Step 4: Simplify right side
    173,863.70x = 39,712,812,312.62
  5. Step 5: Solve for x
    x = 39,712,812,312.62/173,863.70
  6. Step 6: Final answer
    x = 228,413.48

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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.