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Finding the Fourth Proportional to 143,730.60, 200,960.40 and 143,730.60

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Solution

The fourth proportional to 143,730.60, 200,960.40 and 143,730.60 is: 200,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,730.60 : 200,960.40 = 143,730.60 : x
  2. Step 2: Convert to fraction form
    143,730.60/200,960.40 = 143,730.60/x
  3. Step 3: Cross multiply
    143,730.60x = 200,960.40 × 143,730.60
  4. Step 4: Simplify right side
    143,730.60x = 28,884,158,868.24
  5. Step 5: Solve for x
    x = 28,884,158,868.24/143,730.60
  6. Step 6: Final answer
    x = 200,960.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.