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Finding the Fourth Proportional to 191,825.10, 287,737.65 and 162,300.60

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Solution

The fourth proportional to 191,825.10, 287,737.65 and 162,300.60 is: 243,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,825.10 : 287,737.65 = 162,300.60 : x
  2. Step 2: Convert to fraction form
    191,825.10/287,737.65 = 162,300.60/x
  3. Step 3: Cross multiply
    191,825.10x = 287,737.65 × 162,300.60
  4. Step 4: Simplify right side
    191,825.10x = 46,699,993,237.59
  5. Step 5: Solve for x
    x = 46,699,993,237.59/191,825.10
  6. Step 6: Final answer
    x = 243,450.90

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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.