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Finding the Fourth Proportional to 90,358.54, 135,544.45 and 23,798.18

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Solution

The fourth proportional to 90,358.54, 135,544.45 and 23,798.18 is: 35,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,358.54 : 135,544.45 = 23,798.18 : x
  2. Step 2: Convert to fraction form
    90,358.54/135,544.45 = 23,798.18/x
  3. Step 3: Cross multiply
    90,358.54x = 135,544.45 × 23,798.18
  4. Step 4: Simplify right side
    90,358.54x = 3,225,711,195.34
  5. Step 5: Solve for x
    x = 3,225,711,195.34/90,358.54
  6. Step 6: Final answer
    x = 35,699.02

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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.