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Finding the Fourth Proportional to 260,948.60, 360,102.98 and 153,525.56

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Solution

The fourth proportional to 260,948.60, 360,102.98 and 153,525.56 is: 211,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,948.60 : 360,102.98 = 153,525.56 : x
  2. Step 2: Convert to fraction form
    260,948.60/360,102.98 = 153,525.56/x
  3. Step 3: Cross multiply
    260,948.60x = 360,102.98 × 153,525.56
  4. Step 4: Simplify right side
    260,948.60x = 55,285,011,662.17
  5. Step 5: Solve for x
    x = 55,285,011,662.17/260,948.60
  6. Step 6: Final answer
    x = 211,861.69

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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.