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Finding the Fourth Proportional to 70,148.76, 105,228.60 and 23,401.63

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Solution

The fourth proportional to 70,148.76, 105,228.60 and 23,401.63 is: 35,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,148.76 : 105,228.60 = 23,401.63 : x
  2. Step 2: Convert to fraction form
    70,148.76/105,228.60 = 23,401.63/x
  3. Step 3: Cross multiply
    70,148.76x = 105,228.60 × 23,401.63
  4. Step 4: Simplify right side
    70,148.76x = 2,462,520,762.62
  5. Step 5: Solve for x
    x = 2,462,520,762.62/70,148.76
  6. Step 6: Final answer
    x = 35,104.27

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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.