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Finding the Fourth Proportional to 117,507.44, 162,180.98 and 66,523.08

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Solution

The fourth proportional to 117,507.44, 162,180.98 and 66,523.08 is: 91,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,507.44 : 162,180.98 = 66,523.08 : x
  2. Step 2: Convert to fraction form
    117,507.44/162,180.98 = 66,523.08/x
  3. Step 3: Cross multiply
    117,507.44x = 162,180.98 × 66,523.08
  4. Step 4: Simplify right side
    117,507.44x = 10,788,778,307.02
  5. Step 5: Solve for x
    x = 10,788,778,307.02/117,507.44
  6. Step 6: Final answer
    x = 91,813.58

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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.