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Finding the Fourth Proportional to 183,242.25, 274,547.79 and 143,245.65

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Solution

The fourth proportional to 183,242.25, 274,547.79 and 143,245.65 is: 214,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,242.25 : 274,547.79 = 143,245.65 : x
  2. Step 2: Convert to fraction form
    183,242.25/274,547.79 = 143,245.65/x
  3. Step 3: Cross multiply
    183,242.25x = 274,547.79 × 143,245.65
  4. Step 4: Simplify right side
    183,242.25x = 39,327,776,634.61
  5. Step 5: Solve for x
    x = 39,327,776,634.61/183,242.25
  6. Step 6: Final answer
    x = 214,621.77

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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.