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Finding the Fourth Proportional to 199,611.60, 299,460.60 and 59,384.40

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Solution

The fourth proportional to 199,611.60, 299,460.60 and 59,384.40 is: 89,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,611.60 : 299,460.60 = 59,384.40 : x
  2. Step 2: Convert to fraction form
    199,611.60/299,460.60 = 59,384.40/x
  3. Step 3: Cross multiply
    199,611.60x = 299,460.60 × 59,384.40
  4. Step 4: Simplify right side
    199,611.60x = 17,783,288,054.64
  5. Step 5: Solve for x
    x = 17,783,288,054.64/199,611.60
  6. Step 6: Final answer
    x = 89,089.45

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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.