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Finding the Fourth Proportional to 270,533.45, 405,855.54 and 93,017.40

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Solution

The fourth proportional to 270,533.45, 405,855.54 and 93,017.40 is: 139,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,533.45 : 405,855.54 = 93,017.40 : x
  2. Step 2: Convert to fraction form
    270,533.45/405,855.54 = 93,017.40/x
  3. Step 3: Cross multiply
    270,533.45x = 405,855.54 × 93,017.40
  4. Step 4: Simplify right side
    270,533.45x = 37,751,627,106.40
  5. Step 5: Solve for x
    x = 37,751,627,106.40/270,533.45
  6. Step 6: Final answer
    x = 139,545.14

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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.