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Finding the Fourth Proportional to 116,208.56, 160,368.15 and 64,525.77

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Solution

The fourth proportional to 116,208.56, 160,368.15 and 64,525.77 is: 89,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,208.56 : 160,368.15 = 64,525.77 : x
  2. Step 2: Convert to fraction form
    116,208.56/160,368.15 = 64,525.77/x
  3. Step 3: Cross multiply
    116,208.56x = 160,368.15 × 64,525.77
  4. Step 4: Simplify right side
    116,208.56x = 10,347,877,237.76
  5. Step 5: Solve for x
    x = 10,347,877,237.76/116,208.56
  6. Step 6: Final answer
    x = 89,045.74

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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.