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Finding the Fourth Proportional to 259,528.59, 358,174.50 and 157,530.54

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Solution

The fourth proportional to 259,528.59, 358,174.50 and 157,530.54 is: 217,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,528.59 : 358,174.50 = 157,530.54 : x
  2. Step 2: Convert to fraction form
    259,528.59/358,174.50 = 157,530.54/x
  3. Step 3: Cross multiply
    259,528.59x = 358,174.50 × 157,530.54
  4. Step 4: Simplify right side
    259,528.59x = 56,423,422,399.23
  5. Step 5: Solve for x
    x = 56,423,422,399.23/259,528.59
  6. Step 6: Final answer
    x = 217,407.35

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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.