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Finding the Fourth Proportional to 170,751.10, 235,526.55 and 103,683.10

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Solution

The fourth proportional to 170,751.10, 235,526.55 and 103,683.10 is: 143,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,751.10 : 235,526.55 = 103,683.10 : x
  2. Step 2: Convert to fraction form
    170,751.10/235,526.55 = 103,683.10/x
  3. Step 3: Cross multiply
    170,751.10x = 235,526.55 × 103,683.10
  4. Step 4: Simplify right side
    170,751.10x = 24,420,122,836.31
  5. Step 5: Solve for x
    x = 24,420,122,836.31/170,751.10
  6. Step 6: Final answer
    x = 143,015.90

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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.