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Finding the Fourth Proportional to 176,703.06, 265,053.35 and 71,520.51

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Solution

The fourth proportional to 176,703.06, 265,053.35 and 71,520.51 is: 107,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,703.06 : 265,053.35 = 71,520.51 : x
  2. Step 2: Convert to fraction form
    176,703.06/265,053.35 = 71,520.51/x
  3. Step 3: Cross multiply
    176,703.06x = 265,053.35 × 71,520.51
  4. Step 4: Simplify right side
    176,703.06x = 18,956,750,769.21
  5. Step 5: Solve for x
    x = 18,956,750,769.21/176,703.06
  6. Step 6: Final answer
    x = 107,280.26

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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.