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Finding the Fourth Proportional to 260,987.95, 360,188.40 and 146,266.03

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Solution

The fourth proportional to 260,987.95, 360,188.40 and 146,266.03 is: 201,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,987.95 : 360,188.40 = 146,266.03 : x
  2. Step 2: Convert to fraction form
    260,987.95/360,188.40 = 146,266.03/x
  3. Step 3: Cross multiply
    260,987.95x = 360,188.40 × 146,266.03
  4. Step 4: Simplify right side
    260,987.95x = 52,683,327,320.05
  5. Step 5: Solve for x
    x = 52,683,327,320.05/260,987.95
  6. Step 6: Final answer
    x = 201,861.15

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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.