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Finding the Fourth Proportional to 203,172.33, 280,362.55 and 117,070.14

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Solution

The fourth proportional to 203,172.33, 280,362.55 and 117,070.14 is: 161,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,172.33 : 280,362.55 = 117,070.14 : x
  2. Step 2: Convert to fraction form
    203,172.33/280,362.55 = 117,070.14/x
  3. Step 3: Cross multiply
    203,172.33x = 280,362.55 × 117,070.14
  4. Step 4: Simplify right side
    203,172.33x = 32,822,082,979.26
  5. Step 5: Solve for x
    x = 32,822,082,979.26/203,172.33
  6. Step 6: Final answer
    x = 161,548.00

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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.