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Finding the Fourth Proportional to 104,558.60, 144,216.97 and 64,295.12

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Solution

The fourth proportional to 104,558.60, 144,216.97 and 64,295.12 is: 88,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,558.60 : 144,216.97 = 64,295.12 : x
  2. Step 2: Convert to fraction form
    104,558.60/144,216.97 = 64,295.12/x
  3. Step 3: Cross multiply
    104,558.60x = 144,216.97 × 64,295.12
  4. Step 4: Simplify right side
    104,558.60x = 9,272,446,510.36
  5. Step 5: Solve for x
    x = 9,272,446,510.36/104,558.60
  6. Step 6: Final answer
    x = 88,681.82

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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.