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Finding the Fourth Proportional to 176,703.56, 265,054.10 and 71,521.01

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Solution

The fourth proportional to 176,703.56, 265,054.10 and 71,521.01 is: 107,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,703.56 : 265,054.10 = 71,521.01 : x
  2. Step 2: Convert to fraction form
    176,703.56/265,054.10 = 71,521.01/x
  3. Step 3: Cross multiply
    176,703.56x = 265,054.10 × 71,521.01
  4. Step 4: Simplify right side
    176,703.56x = 18,956,936,936.64
  5. Step 5: Solve for x
    x = 18,956,936,936.64/176,703.56
  6. Step 6: Final answer
    x = 107,281.01

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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.