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Finding the Fourth Proportional to 126,697.66, 174,848.23 and 70,109.03

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Solution

The fourth proportional to 126,697.66, 174,848.23 and 70,109.03 is: 96,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,697.66 : 174,848.23 = 70,109.03 : x
  2. Step 2: Convert to fraction form
    126,697.66/174,848.23 = 70,109.03/x
  3. Step 3: Cross multiply
    126,697.66x = 174,848.23 × 70,109.03
  4. Step 4: Simplify right side
    126,697.66x = 12,258,439,802.52
  5. Step 5: Solve for x
    x = 12,258,439,802.52/126,697.66
  6. Step 6: Final answer
    x = 96,753.48

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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.