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Finding the Fourth Proportional to 173,825.40, 260,543.70 and 73,968.60

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Solution

The fourth proportional to 173,825.40, 260,543.70 and 73,968.60 is: 110,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,825.40 : 260,543.70 = 73,968.60 : x
  2. Step 2: Convert to fraction form
    173,825.40/260,543.70 = 73,968.60/x
  3. Step 3: Cross multiply
    173,825.40x = 260,543.70 × 73,968.60
  4. Step 4: Simplify right side
    173,825.40x = 19,272,052,727.82
  5. Step 5: Solve for x
    x = 19,272,052,727.82/173,825.40
  6. Step 6: Final answer
    x = 110,870.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.