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Finding the Fourth Proportional to 117,832.88, 162,253.32 and 101,561.60

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Solution

The fourth proportional to 117,832.88, 162,253.32 and 101,561.60 is: 139,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,832.88 : 162,253.32 = 101,561.60 : x
  2. Step 2: Convert to fraction form
    117,832.88/162,253.32 = 101,561.60/x
  3. Step 3: Cross multiply
    117,832.88x = 162,253.32 × 101,561.60
  4. Step 4: Simplify right side
    117,832.88x = 16,478,706,784.51
  5. Step 5: Solve for x
    x = 16,478,706,784.51/117,832.88
  6. Step 6: Final answer
    x = 139,848.12

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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.