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Finding the Fourth Proportional to 260,610.16, 359,611.68 and 145,895.08

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Solution

The fourth proportional to 260,610.16, 359,611.68 and 145,895.08 is: 201,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,610.16 : 359,611.68 = 145,895.08 : x
  2. Step 2: Convert to fraction form
    260,610.16/359,611.68 = 145,895.08/x
  3. Step 3: Cross multiply
    260,610.16x = 359,611.68 × 145,895.08
  4. Step 4: Simplify right side
    260,610.16x = 52,465,574,822.53
  5. Step 5: Solve for x
    x = 52,465,574,822.53/260,610.16
  6. Step 6: Final answer
    x = 201,318.22

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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.