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Finding the Fourth Proportional to 109,027.60, 163,541.40 and 104,880.40

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Solution

The fourth proportional to 109,027.60, 163,541.40 and 104,880.40 is: 157,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,027.60 : 163,541.40 = 104,880.40 : x
  2. Step 2: Convert to fraction form
    109,027.60/163,541.40 = 104,880.40/x
  3. Step 3: Cross multiply
    109,027.60x = 163,541.40 × 104,880.40
  4. Step 4: Simplify right side
    109,027.60x = 17,152,287,448.56
  5. Step 5: Solve for x
    x = 17,152,287,448.56/109,027.60
  6. Step 6: Final answer
    x = 157,320.60

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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.