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Finding the Fourth Proportional to 189,000.92, 260,803.32 and 108,435.08

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Solution

The fourth proportional to 189,000.92, 260,803.32 and 108,435.08 is: 149,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,000.92 : 260,803.32 = 108,435.08 : x
  2. Step 2: Convert to fraction form
    189,000.92/260,803.32 = 108,435.08/x
  3. Step 3: Cross multiply
    189,000.92x = 260,803.32 × 108,435.08
  4. Step 4: Simplify right side
    189,000.92x = 28,280,228,868.47
  5. Step 5: Solve for x
    x = 28,280,228,868.47/189,000.92
  6. Step 6: Final answer
    x = 149,630.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.