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Finding the Fourth Proportional to 260,949.10, 360,103.66 and 153,526.05

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Solution

The fourth proportional to 260,949.10, 360,103.66 and 153,526.05 is: 211,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,949.10 : 360,103.66 = 153,526.05 : x
  2. Step 2: Convert to fraction form
    260,949.10/360,103.66 = 153,526.05/x
  3. Step 3: Cross multiply
    260,949.10x = 360,103.66 × 153,526.05
  4. Step 4: Simplify right side
    260,949.10x = 55,285,292,510.34
  5. Step 5: Solve for x
    x = 55,285,292,510.34/260,949.10
  6. Step 6: Final answer
    x = 211,862.36

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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.