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Finding the Fourth Proportional to 113,533.88, 156,681.61 and 63,232.88

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Solution

The fourth proportional to 113,533.88, 156,681.61 and 63,232.88 is: 87,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,533.88 : 156,681.61 = 63,232.88 : x
  2. Step 2: Convert to fraction form
    113,533.88/156,681.61 = 63,232.88/x
  3. Step 3: Cross multiply
    113,533.88x = 156,681.61 × 63,232.88
  4. Step 4: Simplify right side
    113,533.88x = 9,907,428,501.85
  5. Step 5: Solve for x
    x = 9,907,428,501.85/113,533.88
  6. Step 6: Final answer
    x = 87,264.07

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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.