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Finding the Fourth Proportional to 270,162.16, 405,243.46 and 70,482.32

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Solution

The fourth proportional to 270,162.16, 405,243.46 and 70,482.32 is: 105,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,162.16 : 405,243.46 = 70,482.32 : x
  2. Step 2: Convert to fraction form
    270,162.16/405,243.46 = 70,482.32/x
  3. Step 3: Cross multiply
    270,162.16x = 405,243.46 × 70,482.32
  4. Step 4: Simplify right side
    270,162.16x = 28,562,499,225.63
  5. Step 5: Solve for x
    x = 28,562,499,225.63/270,162.16
  6. Step 6: Final answer
    x = 105,723.54

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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.