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Finding the Fourth Proportional to 177,095.70, 265,708.35 and 71,925.30

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Solution

The fourth proportional to 177,095.70, 265,708.35 and 71,925.30 is: 107,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,095.70 : 265,708.35 = 71,925.30 : x
  2. Step 2: Convert to fraction form
    177,095.70/265,708.35 = 71,925.30/x
  3. Step 3: Cross multiply
    177,095.70x = 265,708.35 × 71,925.30
  4. Step 4: Simplify right side
    177,095.70x = 19,111,152,786.26
  5. Step 5: Solve for x
    x = 19,111,152,786.26/177,095.70
  6. Step 6: Final answer
    x = 107,914.27

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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.