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Finding the Fourth Proportional to 109,057.60, 163,586.40 and 46,849.60

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Solution

The fourth proportional to 109,057.60, 163,586.40 and 46,849.60 is: 70,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,057.60 : 163,586.40 = 46,849.60 : x
  2. Step 2: Convert to fraction form
    109,057.60/163,586.40 = 46,849.60/x
  3. Step 3: Cross multiply
    109,057.60x = 163,586.40 × 46,849.60
  4. Step 4: Simplify right side
    109,057.60x = 7,663,957,405.44
  5. Step 5: Solve for x
    x = 7,663,957,405.44/109,057.60
  6. Step 6: Final answer
    x = 70,274.40

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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.