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Finding the Fourth Proportional to 178,304.68, 265,862.93 and 173,405.80

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Solution

The fourth proportional to 178,304.68, 265,862.93 and 173,405.80 is: 258,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,304.68 : 265,862.93 = 173,405.80 : x
  2. Step 2: Convert to fraction form
    178,304.68/265,862.93 = 173,405.80/x
  3. Step 3: Cross multiply
    178,304.68x = 265,862.93 × 173,405.80
  4. Step 4: Simplify right side
    178,304.68x = 46,102,174,066.99
  5. Step 5: Solve for x
    x = 46,102,174,066.99/178,304.68
  6. Step 6: Final answer
    x = 258,558.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.