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Finding the Fourth Proportional to 117,887.76, 162,324.85 and 88,858.31

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Solution

The fourth proportional to 117,887.76, 162,324.85 and 88,858.31 is: 122,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,887.76 : 162,324.85 = 88,858.31 : x
  2. Step 2: Convert to fraction form
    117,887.76/162,324.85 = 88,858.31/x
  3. Step 3: Cross multiply
    117,887.76x = 162,324.85 × 88,858.31
  4. Step 4: Simplify right side
    117,887.76x = 14,423,911,681.30
  5. Step 5: Solve for x
    x = 14,423,911,681.30/117,887.76
  6. Step 6: Final answer
    x = 122,352.92

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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.