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Finding the Fourth Proportional to 177,279.14, 265,882.95 and 64,921.01

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Solution

The fourth proportional to 177,279.14, 265,882.95 and 64,921.01 is: 97,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,279.14 : 265,882.95 = 64,921.01 : x
  2. Step 2: Convert to fraction form
    177,279.14/265,882.95 = 64,921.01/x
  3. Step 3: Cross multiply
    177,279.14x = 265,882.95 × 64,921.01
  4. Step 4: Simplify right side
    177,279.14x = 17,261,388,326.36
  5. Step 5: Solve for x
    x = 17,261,388,326.36/177,279.14
  6. Step 6: Final answer
    x = 97,368.41

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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.