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Finding the Fourth Proportional to 116,970.48, 161,409.48 and 69,215.48

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Solution

The fourth proportional to 116,970.48, 161,409.48 and 69,215.48 is: 95,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,970.48 : 161,409.48 = 69,215.48 : x
  2. Step 2: Convert to fraction form
    116,970.48/161,409.48 = 69,215.48/x
  3. Step 3: Cross multiply
    116,970.48x = 161,409.48 × 69,215.48
  4. Step 4: Simplify right side
    116,970.48x = 11,172,034,634.75
  5. Step 5: Solve for x
    x = 11,172,034,634.75/116,970.48
  6. Step 6: Final answer
    x = 95,511.57

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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.