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Finding the Fourth Proportional to 177,297.26, 265,868.06 and 66,411.50

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Solution

The fourth proportional to 177,297.26, 265,868.06 and 66,411.50 is: 99,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,297.26 : 265,868.06 = 66,411.50 : x
  2. Step 2: Convert to fraction form
    177,297.26/265,868.06 = 66,411.50/x
  3. Step 3: Cross multiply
    177,297.26x = 265,868.06 × 66,411.50
  4. Step 4: Simplify right side
    177,297.26x = 17,656,696,666.69
  5. Step 5: Solve for x
    x = 17,656,696,666.69/177,297.26
  6. Step 6: Final answer
    x = 99,588.10

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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.