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Finding the Fourth Proportional to 260,627.16, 359,635.14 and 145,912.08

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Solution

The fourth proportional to 260,627.16, 359,635.14 and 145,912.08 is: 201,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,627.16 : 359,635.14 = 145,912.08 : x
  2. Step 2: Convert to fraction form
    260,627.16/359,635.14 = 145,912.08/x
  3. Step 3: Cross multiply
    260,627.16x = 359,635.14 × 145,912.08
  4. Step 4: Simplify right side
    260,627.16x = 52,475,111,318.49
  5. Step 5: Solve for x
    x = 52,475,111,318.49/260,627.16
  6. Step 6: Final answer
    x = 201,341.68

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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.