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Finding the Fourth Proportional to 126,852, 175,055.76 and 70,267.04

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Solution

The fourth proportional to 126,852, 175,055.76 and 70,267.04 is: 96,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,852 : 175,055.76 = 70,267.04 : x
  2. Step 2: Convert to fraction form
    126,852/175,055.76 = 70,267.04/x
  3. Step 3: Cross multiply
    126,852x = 175,055.76 × 70,267.04
  4. Step 4: Simplify right side
    126,852x = 12,300,650,090.15
  5. Step 5: Solve for x
    x = 12,300,650,090.15/126,852
  6. Step 6: Final answer
    x = 96,968.52

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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.