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Finding the Fourth Proportional to 116,574.24, 160,872.24 and 65,587.02

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Solution

The fourth proportional to 116,574.24, 160,872.24 and 65,587.02 is: 90,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,574.24 : 160,872.24 = 65,587.02 : x
  2. Step 2: Convert to fraction form
    116,574.24/160,872.24 = 65,587.02/x
  3. Step 3: Cross multiply
    116,574.24x = 160,872.24 × 65,587.02
  4. Step 4: Simplify right side
    116,574.24x = 10,551,130,822.32
  5. Step 5: Solve for x
    x = 10,551,130,822.32/116,574.24
  6. Step 6: Final answer
    x = 90,509.97

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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.