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Finding the Fourth Proportional to 70,596.08, 105,894.16 and 44,319.28

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Solution

The fourth proportional to 70,596.08, 105,894.16 and 44,319.28 is: 66,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,596.08 : 105,894.16 = 44,319.28 : x
  2. Step 2: Convert to fraction form
    70,596.08/105,894.16 = 44,319.28/x
  3. Step 3: Cross multiply
    70,596.08x = 105,894.16 × 44,319.28
  4. Step 4: Simplify right side
    70,596.08x = 4,693,152,927.40
  5. Step 5: Solve for x
    x = 4,693,152,927.40/70,596.08
  6. Step 6: Final answer
    x = 66,478.95

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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.