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Finding the Fourth Proportional to 183,426, 253,127.88 and 108,020.88

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Solution

The fourth proportional to 183,426, 253,127.88 and 108,020.88 is: 149,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,426 : 253,127.88 = 108,020.88 : x
  2. Step 2: Convert to fraction form
    183,426/253,127.88 = 108,020.88/x
  3. Step 3: Cross multiply
    183,426x = 253,127.88 × 108,020.88
  4. Step 4: Simplify right side
    183,426x = 27,343,096,350.13
  5. Step 5: Solve for x
    x = 27,343,096,350.13/183,426
  6. Step 6: Final answer
    x = 149,068.81

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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.