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Finding the Fourth Proportional to 116,577.92, 160,871.84 and 66,275.84

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Solution

The fourth proportional to 116,577.92, 160,871.84 and 66,275.84 is: 91,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,577.92 : 160,871.84 = 66,275.84 : x
  2. Step 2: Convert to fraction form
    116,577.92/160,871.84 = 66,275.84/x
  3. Step 3: Cross multiply
    116,577.92x = 160,871.84 × 66,275.84
  4. Step 4: Simplify right side
    116,577.92x = 10,661,916,328.35
  5. Step 5: Solve for x
    x = 10,661,916,328.35/116,577.92
  6. Step 6: Final answer
    x = 91,457.42

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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.