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Finding the Fourth Proportional to 121,677.33, 167,822.14 and 104,710.13

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Solution

The fourth proportional to 121,677.33, 167,822.14 and 104,710.13 is: 144,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,677.33 : 167,822.14 = 104,710.13 : x
  2. Step 2: Convert to fraction form
    121,677.33/167,822.14 = 104,710.13/x
  3. Step 3: Cross multiply
    121,677.33x = 167,822.14 × 104,710.13
  4. Step 4: Simplify right side
    121,677.33x = 17,572,678,096.28
  5. Step 5: Solve for x
    x = 17,572,678,096.28/121,677.33
  6. Step 6: Final answer
    x = 144,420.31

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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.