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Finding the Fourth Proportional to 245,993.12, 369,106.32 and 146,350.16

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Solution

The fourth proportional to 245,993.12, 369,106.32 and 146,350.16 is: 219,594.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,993.12 : 369,106.32 = 146,350.16 : x
  2. Step 2: Convert to fraction form
    245,993.12/369,106.32 = 146,350.16/x
  3. Step 3: Cross multiply
    245,993.12x = 369,106.32 × 146,350.16
  4. Step 4: Simplify right side
    245,993.12x = 54,018,768,989.01
  5. Step 5: Solve for x
    x = 54,018,768,989.01/245,993.12
  6. Step 6: Final answer
    x = 219,594.63

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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.