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Finding the Fourth Proportional to 189,860.60, 284,790.90 and 101,068.40

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Solution

The fourth proportional to 189,860.60, 284,790.90 and 101,068.40 is: 151,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,860.60 : 284,790.90 = 101,068.40 : x
  2. Step 2: Convert to fraction form
    189,860.60/284,790.90 = 101,068.40/x
  3. Step 3: Cross multiply
    189,860.60x = 284,790.90 × 101,068.40
  4. Step 4: Simplify right side
    189,860.60x = 28,783,360,597.56
  5. Step 5: Solve for x
    x = 28,783,360,597.56/189,860.60
  6. Step 6: Final answer
    x = 151,602.60

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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.