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Finding the Fourth Proportional to 260,339.94, 359,259.30 and 147,165.12

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Solution

The fourth proportional to 260,339.94, 359,259.30 and 147,165.12 is: 203,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,339.94 : 359,259.30 = 147,165.12 : x
  2. Step 2: Convert to fraction form
    260,339.94/359,259.30 = 147,165.12/x
  3. Step 3: Cross multiply
    260,339.94x = 359,259.30 × 147,165.12
  4. Step 4: Simplify right side
    260,339.94x = 52,870,437,995.62
  5. Step 5: Solve for x
    x = 52,870,437,995.62/260,339.94
  6. Step 6: Final answer
    x = 203,082.32

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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.