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Finding the Fourth Proportional to 70,127.62, 105,192.36 and 23,380.51

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Solution

The fourth proportional to 70,127.62, 105,192.36 and 23,380.51 is: 35,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,127.62 : 105,192.36 = 23,380.51 : x
  2. Step 2: Convert to fraction form
    70,127.62/105,192.36 = 23,380.51/x
  3. Step 3: Cross multiply
    70,127.62x = 105,192.36 × 23,380.51
  4. Step 4: Simplify right side
    70,127.62x = 2,459,450,674.25
  5. Step 5: Solve for x
    x = 2,459,450,674.25/70,127.62
  6. Step 6: Final answer
    x = 35,071.07

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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.