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Finding the Fourth Proportional to 235,280.16, 324,368.64 and 159,697.44

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Solution

The fourth proportional to 235,280.16, 324,368.64 and 159,697.44 is: 220,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,280.16 : 324,368.64 = 159,697.44 : x
  2. Step 2: Convert to fraction form
    235,280.16/324,368.64 = 159,697.44/x
  3. Step 3: Cross multiply
    235,280.16x = 324,368.64 × 159,697.44
  4. Step 4: Simplify right side
    235,280.16x = 51,800,841,424.28
  5. Step 5: Solve for x
    x = 51,800,841,424.28/235,280.16
  6. Step 6: Final answer
    x = 220,166.64

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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.