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Finding the Fourth Proportional to 163,628.60, 245,442.90 and 134,468.60

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Solution

The fourth proportional to 163,628.60, 245,442.90 and 134,468.60 is: 201,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,628.60 : 245,442.90 = 134,468.60 : x
  2. Step 2: Convert to fraction form
    163,628.60/245,442.90 = 134,468.60/x
  3. Step 3: Cross multiply
    163,628.60x = 245,442.90 × 134,468.60
  4. Step 4: Simplify right side
    163,628.60x = 33,004,363,142.94
  5. Step 5: Solve for x
    x = 33,004,363,142.94/163,628.60
  6. Step 6: Final answer
    x = 201,702.90

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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.