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Finding the Fourth Proportional to 217,130.14, 325,695.35 and 59,359.96

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Solution

The fourth proportional to 217,130.14, 325,695.35 and 59,359.96 is: 89,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,130.14 : 325,695.35 = 59,359.96 : x
  2. Step 2: Convert to fraction form
    217,130.14/325,695.35 = 59,359.96/x
  3. Step 3: Cross multiply
    217,130.14x = 325,695.35 × 59,359.96
  4. Step 4: Simplify right side
    217,130.14x = 19,333,262,948.19
  5. Step 5: Solve for x
    x = 19,333,262,948.19/217,130.14
  6. Step 6: Final answer
    x = 89,039.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.