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Finding the Fourth Proportional to 117,576.95, 162,256.65 and 63,862.86

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Solution

The fourth proportional to 117,576.95, 162,256.65 and 63,862.86 is: 88,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,576.95 : 162,256.65 = 63,862.86 : x
  2. Step 2: Convert to fraction form
    117,576.95/162,256.65 = 63,862.86/x
  3. Step 3: Cross multiply
    117,576.95x = 162,256.65 × 63,862.86
  4. Step 4: Simplify right side
    117,576.95x = 10,362,172,875.07
  5. Step 5: Solve for x
    x = 10,362,172,875.07/117,576.95
  6. Step 6: Final answer
    x = 88,130.99

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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.