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Finding the Fourth Proportional to 173,071.20, 259,587.60 and 48,424.80

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Solution

The fourth proportional to 173,071.20, 259,587.60 and 48,424.80 is: 72,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,071.20 : 259,587.60 = 48,424.80 : x
  2. Step 2: Convert to fraction form
    173,071.20/259,587.60 = 48,424.80/x
  3. Step 3: Cross multiply
    173,071.20x = 259,587.60 × 48,424.80
  4. Step 4: Simplify right side
    173,071.20x = 12,570,477,612.48
  5. Step 5: Solve for x
    x = 12,570,477,612.48/173,071.20
  6. Step 6: Final answer
    x = 72,631.83

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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.