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Finding the Fourth Proportional to 260,235.36, 359,115.48 and 147,055.68

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Solution

The fourth proportional to 260,235.36, 359,115.48 and 147,055.68 is: 202,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,235.36 : 359,115.48 = 147,055.68 : x
  2. Step 2: Convert to fraction form
    260,235.36/359,115.48 = 147,055.68/x
  3. Step 3: Cross multiply
    260,235.36x = 359,115.48 × 147,055.68
  4. Step 4: Simplify right side
    260,235.36x = 52,809,971,109.93
  5. Step 5: Solve for x
    x = 52,809,971,109.93/260,235.36
  6. Step 6: Final answer
    x = 202,931.57

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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.