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Finding the Fourth Proportional to 161,754, 242,362.68 and 98,382.36

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Solution

The fourth proportional to 161,754, 242,362.68 and 98,382.36 is: 147,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,754 : 242,362.68 = 98,382.36 : x
  2. Step 2: Convert to fraction form
    161,754/242,362.68 = 98,382.36/x
  3. Step 3: Cross multiply
    161,754x = 242,362.68 × 98,382.36
  4. Step 4: Simplify right side
    161,754x = 23,844,212,434.32
  5. Step 5: Solve for x
    x = 23,844,212,434.32/161,754
  6. Step 6: Final answer
    x = 147,410.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.