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Finding the Fourth Proportional to 177,253.81, 265,915.28 and 57,340.48

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Solution

The fourth proportional to 177,253.81, 265,915.28 and 57,340.48 is: 86,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,253.81 : 265,915.28 = 57,340.48 : x
  2. Step 2: Convert to fraction form
    177,253.81/265,915.28 = 57,340.48/x
  3. Step 3: Cross multiply
    177,253.81x = 265,915.28 × 57,340.48
  4. Step 4: Simplify right side
    177,253.81x = 15,247,710,358.31
  5. Step 5: Solve for x
    x = 15,247,710,358.31/177,253.81
  6. Step 6: Final answer
    x = 86,021.91

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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.