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Finding the Fourth Proportional to 117,765.95, 162,512.33 and 64,050.93

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Solution

The fourth proportional to 117,765.95, 162,512.33 and 64,050.93 is: 88,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,765.95 : 162,512.33 = 64,050.93 : x
  2. Step 2: Convert to fraction form
    117,765.95/162,512.33 = 64,050.93/x
  3. Step 3: Cross multiply
    117,765.95x = 162,512.33 × 64,050.93
  4. Step 4: Simplify right side
    117,765.95x = 10,409,065,552.71
  5. Step 5: Solve for x
    x = 10,409,065,552.71/117,765.95
  6. Step 6: Final answer
    x = 88,387.74

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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.