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Finding the Fourth Proportional to 118,980.16, 178,197.84 and 59,832.64

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Solution

The fourth proportional to 118,980.16, 178,197.84 and 59,832.64 is: 89,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,980.16 : 178,197.84 = 59,832.64 : x
  2. Step 2: Convert to fraction form
    118,980.16/178,197.84 = 59,832.64/x
  3. Step 3: Cross multiply
    118,980.16x = 178,197.84 × 59,832.64
  4. Step 4: Simplify right side
    118,980.16x = 10,662,047,209.50
  5. Step 5: Solve for x
    x = 10,662,047,209.50/118,980.16
  6. Step 6: Final answer
    x = 89,611.98

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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.