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Finding the Fourth Proportional to 130,352.94, 179,887.06 and 70,736.94

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Solution

The fourth proportional to 130,352.94, 179,887.06 and 70,736.94 is: 97,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,352.94 : 179,887.06 = 70,736.94 : x
  2. Step 2: Convert to fraction form
    130,352.94/179,887.06 = 70,736.94/x
  3. Step 3: Cross multiply
    130,352.94x = 179,887.06 × 70,736.94
  4. Step 4: Simplify right side
    130,352.94x = 12,724,659,816.31
  5. Step 5: Solve for x
    x = 12,724,659,816.31/130,352.94
  6. Step 6: Final answer
    x = 97,616.98

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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.