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Finding the Fourth Proportional to 200,258.04, 300,420.24 and 95,019.60

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Solution

The fourth proportional to 200,258.04, 300,420.24 and 95,019.60 is: 142,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,258.04 : 300,420.24 = 95,019.60 : x
  2. Step 2: Convert to fraction form
    200,258.04/300,420.24 = 95,019.60/x
  3. Step 3: Cross multiply
    200,258.04x = 300,420.24 × 95,019.60
  4. Step 4: Simplify right side
    200,258.04x = 28,545,811,036.70
  5. Step 5: Solve for x
    x = 28,545,811,036.70/200,258.04
  6. Step 6: Final answer
    x = 142,545.14

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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.