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Finding the Fourth Proportional to 117,866.93, 162,656.35 and 64,152.33

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Solution

The fourth proportional to 117,866.93, 162,656.35 and 64,152.33 is: 88,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,866.93 : 162,656.35 = 64,152.33 : x
  2. Step 2: Convert to fraction form
    117,866.93/162,656.35 = 64,152.33/x
  3. Step 3: Cross multiply
    117,866.93x = 162,656.35 × 64,152.33
  4. Step 4: Simplify right side
    117,866.93x = 10,434,783,841.80
  5. Step 5: Solve for x
    x = 10,434,783,841.80/117,866.93
  6. Step 6: Final answer
    x = 88,530.21

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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.