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Finding the Fourth Proportional to 235,501.51, 324,827.35 and 154,903.27

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Solution

The fourth proportional to 235,501.51, 324,827.35 and 154,903.27 is: 213,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,501.51 : 324,827.35 = 154,903.27 : x
  2. Step 2: Convert to fraction form
    235,501.51/324,827.35 = 154,903.27/x
  3. Step 3: Cross multiply
    235,501.51x = 324,827.35 × 154,903.27
  4. Step 4: Simplify right side
    235,501.51x = 50,316,818,700.43
  5. Step 5: Solve for x
    x = 50,316,818,700.43/235,501.51
  6. Step 6: Final answer
    x = 213,658.16

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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.