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Finding the Fourth Proportional to 134,802.65, 186,028.31 and 74,373.29

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Solution

The fourth proportional to 134,802.65, 186,028.31 and 74,373.29 is: 102,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,802.65 : 186,028.31 = 74,373.29 : x
  2. Step 2: Convert to fraction form
    134,802.65/186,028.31 = 74,373.29/x
  3. Step 3: Cross multiply
    134,802.65x = 186,028.31 × 74,373.29
  4. Step 4: Simplify right side
    134,802.65x = 13,835,537,075.97
  5. Step 5: Solve for x
    x = 13,835,537,075.97/134,802.65
  6. Step 6: Final answer
    x = 102,635.50

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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.