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Finding the Fourth Proportional to 181,258.80, 271,888.20 and 125,271.60

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Solution

The fourth proportional to 181,258.80, 271,888.20 and 125,271.60 is: 187,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,258.80 : 271,888.20 = 125,271.60 : x
  2. Step 2: Convert to fraction form
    181,258.80/271,888.20 = 125,271.60/x
  3. Step 3: Cross multiply
    181,258.80x = 271,888.20 × 125,271.60
  4. Step 4: Simplify right side
    181,258.80x = 34,059,869,835.12
  5. Step 5: Solve for x
    x = 34,059,869,835.12/181,258.80
  6. Step 6: Final answer
    x = 187,907.40

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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.