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Finding the Fourth Proportional to 106,887.88, 147,491.94 and 59,134.60

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Solution

The fourth proportional to 106,887.88, 147,491.94 and 59,134.60 is: 81,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,887.88 : 147,491.94 = 59,134.60 : x
  2. Step 2: Convert to fraction form
    106,887.88/147,491.94 = 59,134.60/x
  3. Step 3: Cross multiply
    106,887.88x = 147,491.94 × 59,134.60
  4. Step 4: Simplify right side
    106,887.88x = 8,721,876,875.12
  5. Step 5: Solve for x
    x = 8,721,876,875.12/106,887.88
  6. Step 6: Final answer
    x = 81,598.37

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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.