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Finding the Fourth Proportional to 114,111.60, 157,420.94 and 73,838.36

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Solution

The fourth proportional to 114,111.60, 157,420.94 and 73,838.36 is: 101,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,111.60 : 157,420.94 = 73,838.36 : x
  2. Step 2: Convert to fraction form
    114,111.60/157,420.94 = 73,838.36/x
  3. Step 3: Cross multiply
    114,111.60x = 157,420.94 × 73,838.36
  4. Step 4: Simplify right side
    114,111.60x = 11,623,704,039.26
  5. Step 5: Solve for x
    x = 11,623,704,039.26/114,111.60
  6. Step 6: Final answer
    x = 101,862.60

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1.5x scale

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.