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Finding the Fourth Proportional to 104,386, 144,052.68 and 59,674

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Solution

The fourth proportional to 104,386, 144,052.68 and 59,674 is: 82,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,386 : 144,052.68 = 59,674 : x
  2. Step 2: Convert to fraction form
    104,386/144,052.68 = 59,674/x
  3. Step 3: Cross multiply
    104,386x = 144,052.68 × 59,674
  4. Step 4: Simplify right side
    104,386x = 8,596,199,626.32
  5. Step 5: Solve for x
    x = 8,596,199,626.32/104,386
  6. Step 6: Final answer
    x = 82,350.12

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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.