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Finding the Fourth Proportional to 173,891.15, 260,836.73 and 168,970.40

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Solution

The fourth proportional to 173,891.15, 260,836.73 and 168,970.40 is: 253,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,891.15 : 260,836.73 = 168,970.40 : x
  2. Step 2: Convert to fraction form
    173,891.15/260,836.73 = 168,970.40/x
  3. Step 3: Cross multiply
    173,891.15x = 260,836.73 × 168,970.40
  4. Step 4: Simplify right side
    173,891.15x = 44,073,686,602.79
  5. Step 5: Solve for x
    x = 44,073,686,602.79/173,891.15
  6. Step 6: Final answer
    x = 253,455.60

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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.