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Finding the Fourth Proportional to 70,203.24, 105,347.61 and 36,946.98

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Solution

The fourth proportional to 70,203.24, 105,347.61 and 36,946.98 is: 55,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,203.24 : 105,347.61 = 36,946.98 : x
  2. Step 2: Convert to fraction form
    70,203.24/105,347.61 = 36,946.98/x
  3. Step 3: Cross multiply
    70,203.24x = 105,347.61 × 36,946.98
  4. Step 4: Simplify right side
    70,203.24x = 3,892,276,039.72
  5. Step 5: Solve for x
    x = 3,892,276,039.72/70,203.24
  6. Step 6: Final answer
    x = 55,442.97

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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.