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Finding the Fourth Proportional to 96,009.40, 143,970.90 and 36,825.40

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Solution

The fourth proportional to 96,009.40, 143,970.90 and 36,825.40 is: 55,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,009.40 : 143,970.90 = 36,825.40 : x
  2. Step 2: Convert to fraction form
    96,009.40/143,970.90 = 36,825.40/x
  3. Step 3: Cross multiply
    96,009.40x = 143,970.90 × 36,825.40
  4. Step 4: Simplify right side
    96,009.40x = 5,301,785,980.86
  5. Step 5: Solve for x
    x = 5,301,785,980.86/96,009.40
  6. Step 6: Final answer
    x = 55,221.53

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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.