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Finding the Fourth Proportional to 175,521.60, 262,893.60 and 70,286.40

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Solution

The fourth proportional to 175,521.60, 262,893.60 and 70,286.40 is: 105,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,521.60 : 262,893.60 = 70,286.40 : x
  2. Step 2: Convert to fraction form
    175,521.60/262,893.60 = 70,286.40/x
  3. Step 3: Cross multiply
    175,521.60x = 262,893.60 × 70,286.40
  4. Step 4: Simplify right side
    175,521.60x = 18,477,844,727.04
  5. Step 5: Solve for x
    x = 18,477,844,727.04/175,521.60
  6. Step 6: Final answer
    x = 105,273.91

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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.