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Finding the Fourth Proportional to 70,403.49, 105,635.48 and 46,719.32

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Solution

The fourth proportional to 70,403.49, 105,635.48 and 46,719.32 is: 70,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,403.49 : 105,635.48 = 46,719.32 : x
  2. Step 2: Convert to fraction form
    70,403.49/105,635.48 = 46,719.32/x
  3. Step 3: Cross multiply
    70,403.49x = 105,635.48 × 46,719.32
  4. Step 4: Simplify right side
    70,403.49x = 4,935,217,031.70
  5. Step 5: Solve for x
    x = 4,935,217,031.70/70,403.49
  6. Step 6: Final answer
    x = 70,099.04

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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.