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Finding the Fourth Proportional to 201,643.30, 302,574.30 and 83,326.60

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Solution

The fourth proportional to 201,643.30, 302,574.30 and 83,326.60 is: 125,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,643.30 : 302,574.30 = 83,326.60 : x
  2. Step 2: Convert to fraction form
    201,643.30/302,574.30 = 83,326.60/x
  3. Step 3: Cross multiply
    201,643.30x = 302,574.30 × 83,326.60
  4. Step 4: Simplify right side
    201,643.30x = 25,212,487,666.38
  5. Step 5: Solve for x
    x = 25,212,487,666.38/201,643.30
  6. Step 6: Final answer
    x = 125,035.09

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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.