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Finding the Fourth Proportional to 235,543.76, 325,050.12 and 134,942.16

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Solution

The fourth proportional to 235,543.76, 325,050.12 and 134,942.16 is: 186,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,543.76 : 325,050.12 = 134,942.16 : x
  2. Step 2: Convert to fraction form
    235,543.76/325,050.12 = 134,942.16/x
  3. Step 3: Cross multiply
    235,543.76x = 325,050.12 × 134,942.16
  4. Step 4: Simplify right side
    235,543.76x = 43,862,965,301.06
  5. Step 5: Solve for x
    x = 43,862,965,301.06/235,543.76
  6. Step 6: Final answer
    x = 186,220.03

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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.