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Finding the Fourth Proportional to 170,409.06, 235,160.82 and 98,801.82

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Solution

The fourth proportional to 170,409.06, 235,160.82 and 98,801.82 is: 136,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,409.06 : 235,160.82 = 98,801.82 : x
  2. Step 2: Convert to fraction form
    170,409.06/235,160.82 = 98,801.82/x
  3. Step 3: Cross multiply
    170,409.06x = 235,160.82 × 98,801.82
  4. Step 4: Simplify right side
    170,409.06x = 23,234,317,008.69
  5. Step 5: Solve for x
    x = 23,234,317,008.69/170,409.06
  6. Step 6: Final answer
    x = 136,344.38

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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.