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Finding the Fourth Proportional to 169,756.48, 254,574.51 and 49,780.09

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Solution

The fourth proportional to 169,756.48, 254,574.51 and 49,780.09 is: 74,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,756.48 : 254,574.51 = 49,780.09 : x
  2. Step 2: Convert to fraction form
    169,756.48/254,574.51 = 49,780.09/x
  3. Step 3: Cross multiply
    169,756.48x = 254,574.51 × 49,780.09
  4. Step 4: Simplify right side
    169,756.48x = 12,672,742,019.51
  5. Step 5: Solve for x
    x = 12,672,742,019.51/169,756.48
  6. Step 6: Final answer
    x = 74,652.48

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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.