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Finding the Fourth Proportional to 181,482.68, 250,450.44 and 100,913.60

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Solution

The fourth proportional to 181,482.68, 250,450.44 and 100,913.60 is: 139,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,482.68 : 250,450.44 = 100,913.60 : x
  2. Step 2: Convert to fraction form
    181,482.68/250,450.44 = 100,913.60/x
  3. Step 3: Cross multiply
    181,482.68x = 250,450.44 × 100,913.60
  4. Step 4: Simplify right side
    181,482.68x = 25,273,855,521.98
  5. Step 5: Solve for x
    x = 25,273,855,521.98/181,482.68
  6. Step 6: Final answer
    x = 139,263.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.