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Finding the Fourth Proportional to 117,464.72, 162,102.53 and 63,750.20

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Solution

The fourth proportional to 117,464.72, 162,102.53 and 63,750.20 is: 87,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,464.72 : 162,102.53 = 63,750.20 : x
  2. Step 2: Convert to fraction form
    117,464.72/162,102.53 = 63,750.20/x
  3. Step 3: Cross multiply
    117,464.72x = 162,102.53 × 63,750.20
  4. Step 4: Simplify right side
    117,464.72x = 10,334,068,389.26
  5. Step 5: Solve for x
    x = 10,334,068,389.26/117,464.72
  6. Step 6: Final answer
    x = 87,975.93

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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.