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Finding the Fourth Proportional to 176,988.90, 265,714.88 and 105,073.10

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Solution

The fourth proportional to 176,988.90, 265,714.88 and 105,073.10 is: 157,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,988.90 : 265,714.88 = 105,073.10 : x
  2. Step 2: Convert to fraction form
    176,988.90/265,714.88 = 105,073.10/x
  3. Step 3: Cross multiply
    176,988.90x = 265,714.88 × 105,073.10
  4. Step 4: Simplify right side
    176,988.90x = 27,919,486,315.23
  5. Step 5: Solve for x
    x = 27,919,486,315.23/176,988.90
  6. Step 6: Final answer
    x = 157,747.10

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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.