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Finding the Fourth Proportional to 260,606.16, 359,606.16 and 145,891.08

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Solution

The fourth proportional to 260,606.16, 359,606.16 and 145,891.08 is: 201,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,606.16 : 359,606.16 = 145,891.08 : x
  2. Step 2: Convert to fraction form
    260,606.16/359,606.16 = 145,891.08/x
  3. Step 3: Cross multiply
    260,606.16x = 359,606.16 × 145,891.08
  4. Step 4: Simplify right side
    260,606.16x = 52,463,331,057.05
  5. Step 5: Solve for x
    x = 52,463,331,057.05/260,606.16
  6. Step 6: Final answer
    x = 201,312.71

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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.