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Finding the Fourth Proportional to 115,958.32, 173,938.68 and 37,070.80

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Solution

The fourth proportional to 115,958.32, 173,938.68 and 37,070.80 is: 55,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,958.32 : 173,938.68 = 37,070.80 : x
  2. Step 2: Convert to fraction form
    115,958.32/173,938.68 = 37,070.80/x
  3. Step 3: Cross multiply
    115,958.32x = 173,938.68 × 37,070.80
  4. Step 4: Simplify right side
    115,958.32x = 6,448,046,018.54
  5. Step 5: Solve for x
    x = 6,448,046,018.54/115,958.32
  6. Step 6: Final answer
    x = 55,606.58

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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.