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Finding the Fourth Proportional to 236,039.50, 325,737.75 and 135,437.50

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Solution

The fourth proportional to 236,039.50, 325,737.75 and 135,437.50 is: 186,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,039.50 : 325,737.75 = 135,437.50 : x
  2. Step 2: Convert to fraction form
    236,039.50/325,737.75 = 135,437.50/x
  3. Step 3: Cross multiply
    236,039.50x = 325,737.75 × 135,437.50
  4. Step 4: Simplify right side
    236,039.50x = 44,117,106,515.63
  5. Step 5: Solve for x
    x = 44,117,106,515.63/236,039.50
  6. Step 6: Final answer
    x = 186,905.61

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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.