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Finding the Fourth Proportional to 111,639.60, 167,653.80 and 59,151.60

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Solution

The fourth proportional to 111,639.60, 167,653.80 and 59,151.60 is: 88,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,639.60 : 167,653.80 = 59,151.60 : x
  2. Step 2: Convert to fraction form
    111,639.60/167,653.80 = 59,151.60/x
  3. Step 3: Cross multiply
    111,639.60x = 167,653.80 × 59,151.60
  4. Step 4: Simplify right side
    111,639.60x = 9,916,990,516.08
  5. Step 5: Solve for x
    x = 9,916,990,516.08/111,639.60
  6. Step 6: Final answer
    x = 88,830.40

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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.