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Finding the Fourth Proportional to 110,038.53, 165,068.73 and 39,923.31

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Solution

The fourth proportional to 110,038.53, 165,068.73 and 39,923.31 is: 59,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,038.53 : 165,068.73 = 39,923.31 : x
  2. Step 2: Convert to fraction form
    110,038.53/165,068.73 = 39,923.31/x
  3. Step 3: Cross multiply
    110,038.53x = 165,068.73 × 39,923.31
  4. Step 4: Simplify right side
    110,038.53x = 6,590,090,079.10
  5. Step 5: Solve for x
    x = 6,590,090,079.10/110,038.53
  6. Step 6: Final answer
    x = 59,888.93

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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.