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Finding the Fourth Proportional to 176,987.76, 265,478.34 and 43,868.28

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Solution

The fourth proportional to 176,987.76, 265,478.34 and 43,868.28 is: 65,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,987.76 : 265,478.34 = 43,868.28 : x
  2. Step 2: Convert to fraction form
    176,987.76/265,478.34 = 43,868.28/x
  3. Step 3: Cross multiply
    176,987.76x = 265,478.34 × 43,868.28
  4. Step 4: Simplify right side
    176,987.76x = 11,646,078,153.06
  5. Step 5: Solve for x
    x = 11,646,078,153.06/176,987.76
  6. Step 6: Final answer
    x = 65,801.60

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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.