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Finding the Fourth Proportional to 126,492.52, 174,552.96 and 69,900.52

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Solution

The fourth proportional to 126,492.52, 174,552.96 and 69,900.52 is: 96,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,492.52 : 174,552.96 = 69,900.52 : x
  2. Step 2: Convert to fraction form
    126,492.52/174,552.96 = 69,900.52/x
  3. Step 3: Cross multiply
    126,492.52x = 174,552.96 × 69,900.52
  4. Step 4: Simplify right side
    126,492.52x = 12,201,342,671.54
  5. Step 5: Solve for x
    x = 12,201,342,671.54/126,492.52
  6. Step 6: Final answer
    x = 96,459.01

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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.