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Finding the Fourth Proportional to 178,881.52, 268,395.70 and 94,619.16

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Solution

The fourth proportional to 178,881.52, 268,395.70 and 94,619.16 is: 141,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,881.52 : 268,395.70 = 94,619.16 : x
  2. Step 2: Convert to fraction form
    178,881.52/268,395.70 = 94,619.16/x
  3. Step 3: Cross multiply
    178,881.52x = 268,395.70 × 94,619.16
  4. Step 4: Simplify right side
    178,881.52x = 25,395,375,681.61
  5. Step 5: Solve for x
    x = 25,395,375,681.61/178,881.52
  6. Step 6: Final answer
    x = 141,967.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.