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Finding the Fourth Proportional to 160,336.14, 221,264.51 and 87,741.11

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Solution

The fourth proportional to 160,336.14, 221,264.51 and 87,741.11 is: 121,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,336.14 : 221,264.51 = 87,741.11 : x
  2. Step 2: Convert to fraction form
    160,336.14/221,264.51 = 87,741.11/x
  3. Step 3: Cross multiply
    160,336.14x = 221,264.51 × 87,741.11
  4. Step 4: Simplify right side
    160,336.14x = 19,413,992,165.98
  5. Step 5: Solve for x
    x = 19,413,992,165.98/160,336.14
  6. Step 6: Final answer
    x = 121,083.07

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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.