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Finding the Fourth Proportional to 173,958.60, 260,966.70 and 74,166.60

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Solution

The fourth proportional to 173,958.60, 260,966.70 and 74,166.60 is: 111,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,958.60 : 260,966.70 = 74,166.60 : x
  2. Step 2: Convert to fraction form
    173,958.60/260,966.70 = 74,166.60/x
  3. Step 3: Cross multiply
    173,958.60x = 260,966.70 × 74,166.60
  4. Step 4: Simplify right side
    173,958.60x = 19,355,012,852.22
  5. Step 5: Solve for x
    x = 19,355,012,852.22/173,958.60
  6. Step 6: Final answer
    x = 111,262.18

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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.