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Finding the Fourth Proportional to 117,750.68, 162,495.16 and 64,035.56

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Solution

The fourth proportional to 117,750.68, 162,495.16 and 64,035.56 is: 88,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,750.68 : 162,495.16 = 64,035.56 : x
  2. Step 2: Convert to fraction form
    117,750.68/162,495.16 = 64,035.56/x
  3. Step 3: Cross multiply
    117,750.68x = 162,495.16 × 64,035.56
  4. Step 4: Simplify right side
    117,750.68x = 10,405,468,567.89
  5. Step 5: Solve for x
    x = 10,405,468,567.89/117,750.68
  6. Step 6: Final answer
    x = 88,368.65

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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.