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Finding the Fourth Proportional to 117,975.94, 162,807.04 and 64,260.80

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Solution

The fourth proportional to 117,975.94, 162,807.04 and 64,260.80 is: 88,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,975.94 : 162,807.04 = 64,260.80 : x
  2. Step 2: Convert to fraction form
    117,975.94/162,807.04 = 64,260.80/x
  3. Step 3: Cross multiply
    117,975.94x = 162,807.04 × 64,260.80
  4. Step 4: Simplify right side
    117,975.94x = 10,462,110,636.03
  5. Step 5: Solve for x
    x = 10,462,110,636.03/117,975.94
  6. Step 6: Final answer
    x = 88,680.04

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1.5x scale

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.