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Finding the Fourth Proportional to 235,582.16, 325,111.86 and 134,999.60

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Solution

The fourth proportional to 235,582.16, 325,111.86 and 134,999.60 is: 186,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,582.16 : 325,111.86 = 134,999.60 : x
  2. Step 2: Convert to fraction form
    235,582.16/325,111.86 = 134,999.60/x
  3. Step 3: Cross multiply
    235,582.16x = 325,111.86 × 134,999.60
  4. Step 4: Simplify right side
    235,582.16x = 43,889,971,055.26
  5. Step 5: Solve for x
    x = 43,889,971,055.26/235,582.16
  6. Step 6: Final answer
    x = 186,304.31

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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.