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Finding the Fourth Proportional to 126,693.64, 174,829.98 and 70,101.64

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Solution

The fourth proportional to 126,693.64, 174,829.98 and 70,101.64 is: 96,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,693.64 : 174,829.98 = 70,101.64 : x
  2. Step 2: Convert to fraction form
    126,693.64/174,829.98 = 70,101.64/x
  3. Step 3: Cross multiply
    126,693.64x = 174,829.98 × 70,101.64
  4. Step 4: Simplify right side
    126,693.64x = 12,255,868,319.17
  5. Step 5: Solve for x
    x = 12,255,868,319.17/126,693.64
  6. Step 6: Final answer
    x = 96,736.26

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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.