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Finding the Fourth Proportional to 126,804.51, 174,995.50 and 70,215.88

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Solution

The fourth proportional to 126,804.51, 174,995.50 and 70,215.88 is: 96,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,804.51 : 174,995.50 = 70,215.88 : x
  2. Step 2: Convert to fraction form
    126,804.51/174,995.50 = 70,215.88/x
  3. Step 3: Cross multiply
    126,804.51x = 174,995.50 × 70,215.88
  4. Step 4: Simplify right side
    126,804.51x = 12,287,463,028.54
  5. Step 5: Solve for x
    x = 12,287,463,028.54/126,804.51
  6. Step 6: Final answer
    x = 96,900.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.