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Finding the Fourth Proportional to 173,314.10, 259,971.15 and 48,638.90

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Solution

The fourth proportional to 173,314.10, 259,971.15 and 48,638.90 is: 72,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,314.10 : 259,971.15 = 48,638.90 : x
  2. Step 2: Convert to fraction form
    173,314.10/259,971.15 = 48,638.90/x
  3. Step 3: Cross multiply
    173,314.10x = 259,971.15 × 48,638.90
  4. Step 4: Simplify right side
    173,314.10x = 12,644,710,767.74
  5. Step 5: Solve for x
    x = 12,644,710,767.74/173,314.10
  6. Step 6: Final answer
    x = 72,958.35

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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.