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Finding the Fourth Proportional to 201,751.40, 302,189.70 and 130,892.60

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Solution

The fourth proportional to 201,751.40, 302,189.70 and 130,892.60 is: 196,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,751.40 : 302,189.70 = 130,892.60 : x
  2. Step 2: Convert to fraction form
    201,751.40/302,189.70 = 130,892.60/x
  3. Step 3: Cross multiply
    201,751.40x = 302,189.70 × 130,892.60
  4. Step 4: Simplify right side
    201,751.40x = 39,554,395,526.22
  5. Step 5: Solve for x
    x = 39,554,395,526.22/201,751.40
  6. Step 6: Final answer
    x = 196,055.12

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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.