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Finding the Fourth Proportional to 112,892.88, 169,325.46 and 65,533.71

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Solution

The fourth proportional to 112,892.88, 169,325.46 and 65,533.71 is: 98,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,892.88 : 169,325.46 = 65,533.71 : x
  2. Step 2: Convert to fraction form
    112,892.88/169,325.46 = 65,533.71/x
  3. Step 3: Cross multiply
    112,892.88x = 169,325.46 × 65,533.71
  4. Step 4: Simplify right side
    112,892.88x = 11,096,525,591.26
  5. Step 5: Solve for x
    x = 11,096,525,591.26/112,892.88
  6. Step 6: Final answer
    x = 98,292.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.