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Finding the Fourth Proportional to 168,059.10, 235,457.70 and 168,059.10

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Solution

The fourth proportional to 168,059.10, 235,457.70 and 168,059.10 is: 235,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,059.10 : 235,457.70 = 168,059.10 : x
  2. Step 2: Convert to fraction form
    168,059.10/235,457.70 = 168,059.10/x
  3. Step 3: Cross multiply
    168,059.10x = 235,457.70 × 168,059.10
  4. Step 4: Simplify right side
    168,059.10x = 39,570,809,150.07
  5. Step 5: Solve for x
    x = 39,570,809,150.07/168,059.10
  6. Step 6: Final answer
    x = 235,457.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.