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Finding the Fourth Proportional to 173,619.60, 260,429.40 and 105,968.40

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Solution

The fourth proportional to 173,619.60, 260,429.40 and 105,968.40 is: 158,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,619.60 : 260,429.40 = 105,968.40 : x
  2. Step 2: Convert to fraction form
    173,619.60/260,429.40 = 105,968.40/x
  3. Step 3: Cross multiply
    173,619.60x = 260,429.40 × 105,968.40
  4. Step 4: Simplify right side
    173,619.60x = 27,597,286,830.96
  5. Step 5: Solve for x
    x = 27,597,286,830.96/173,619.60
  6. Step 6: Final answer
    x = 158,952.60

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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.