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Finding the Fourth Proportional to 114,111.33, 157,420.62 and 73,838.08

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Solution

The fourth proportional to 114,111.33, 157,420.62 and 73,838.08 is: 101,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,111.33 : 157,420.62 = 73,838.08 : x
  2. Step 2: Convert to fraction form
    114,111.33/157,420.62 = 73,838.08/x
  3. Step 3: Cross multiply
    114,111.33x = 157,420.62 × 73,838.08
  4. Step 4: Simplify right side
    114,111.33x = 11,623,636,333.21
  5. Step 5: Solve for x
    x = 11,623,636,333.21/114,111.33
  6. Step 6: Final answer
    x = 101,862.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.