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Finding the Fourth Proportional to 105,533.01, 158,301.54 and 34,455.51

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Solution

The fourth proportional to 105,533.01, 158,301.54 and 34,455.51 is: 51,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,533.01 : 158,301.54 = 34,455.51 : x
  2. Step 2: Convert to fraction form
    105,533.01/158,301.54 = 34,455.51/x
  3. Step 3: Cross multiply
    105,533.01x = 158,301.54 × 34,455.51
  4. Step 4: Simplify right side
    105,533.01x = 5,454,360,294.49
  5. Step 5: Solve for x
    x = 5,454,360,294.49/105,533.01
  6. Step 6: Final answer
    x = 51,683.93

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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.