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Finding the Fourth Proportional to 236,038.50, 325,736.37 and 135,436.50

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Solution

The fourth proportional to 236,038.50, 325,736.37 and 135,436.50 is: 186,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,038.50 : 325,736.37 = 135,436.50 : x
  2. Step 2: Convert to fraction form
    236,038.50/325,736.37 = 135,436.50/x
  3. Step 3: Cross multiply
    236,038.50x = 325,736.37 × 135,436.50
  4. Step 4: Simplify right side
    236,038.50x = 44,116,593,875.51
  5. Step 5: Solve for x
    x = 44,116,593,875.51/236,038.50
  6. Step 6: Final answer
    x = 186,904.23

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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.