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Finding the Fourth Proportional to 143,225.60, 200,253.40 and 143,225.60

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Solution

The fourth proportional to 143,225.60, 200,253.40 and 143,225.60 is: 200,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.60 : 200,253.40 = 143,225.60 : x
  2. Step 2: Convert to fraction form
    143,225.60/200,253.40 = 143,225.60/x
  3. Step 3: Cross multiply
    143,225.60x = 200,253.40 × 143,225.60
  4. Step 4: Simplify right side
    143,225.60x = 28,681,413,367.04
  5. Step 5: Solve for x
    x = 28,681,413,367.04/143,225.60
  6. Step 6: Final answer
    x = 200,253.40

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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.