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Finding the Fourth Proportional to 117,576.57, 162,256.13 and 63,862.48

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Solution

The fourth proportional to 117,576.57, 162,256.13 and 63,862.48 is: 88,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,576.57 : 162,256.13 = 63,862.48 : x
  2. Step 2: Convert to fraction form
    117,576.57/162,256.13 = 63,862.48/x
  3. Step 3: Cross multiply
    117,576.57x = 162,256.13 × 63,862.48
  4. Step 4: Simplify right side
    117,576.57x = 10,362,078,979.99
  5. Step 5: Solve for x
    x = 10,362,078,979.99/117,576.57
  6. Step 6: Final answer
    x = 88,130.48

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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.