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Finding the Fourth Proportional to 104,901.40, 144,764.58 and 62,461.72

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Solution

The fourth proportional to 104,901.40, 144,764.58 and 62,461.72 is: 86,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,901.40 : 144,764.58 = 62,461.72 : x
  2. Step 2: Convert to fraction form
    104,901.40/144,764.58 = 62,461.72/x
  3. Step 3: Cross multiply
    104,901.40x = 144,764.58 × 62,461.72
  4. Step 4: Simplify right side
    104,901.40x = 9,042,244,661.88
  5. Step 5: Solve for x
    x = 9,042,244,661.88/104,901.40
  6. Step 6: Final answer
    x = 86,197.56

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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.