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Finding the Fourth Proportional to 176,068.62, 242,968.14 and 104,405.76

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Solution

The fourth proportional to 176,068.62, 242,968.14 and 104,405.76 is: 144,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,068.62 : 242,968.14 = 104,405.76 : x
  2. Step 2: Convert to fraction form
    176,068.62/242,968.14 = 104,405.76/x
  3. Step 3: Cross multiply
    176,068.62x = 242,968.14 × 104,405.76
  4. Step 4: Simplify right side
    176,068.62x = 25,367,273,312.49
  5. Step 5: Solve for x
    x = 25,367,273,312.49/176,068.62
  6. Step 6: Final answer
    x = 144,076.06

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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.