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Finding the Fourth Proportional to 169,179.36, 233,457.40 and 93,722.40

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Solution

The fourth proportional to 169,179.36, 233,457.40 and 93,722.40 is: 129,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,179.36 : 233,457.40 = 93,722.40 : x
  2. Step 2: Convert to fraction form
    169,179.36/233,457.40 = 93,722.40/x
  3. Step 3: Cross multiply
    169,179.36x = 233,457.40 × 93,722.40
  4. Step 4: Simplify right side
    169,179.36x = 21,880,187,825.76
  5. Step 5: Solve for x
    x = 21,880,187,825.76/169,179.36
  6. Step 6: Final answer
    x = 129,331.31

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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.