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Finding the Fourth Proportional to 216,908.60, 325,353.32 and 59,137.07

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Solution

The fourth proportional to 216,908.60, 325,353.32 and 59,137.07 is: 88,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,908.60 : 325,353.32 = 59,137.07 : x
  2. Step 2: Convert to fraction form
    216,908.60/325,353.32 = 59,137.07/x
  3. Step 3: Cross multiply
    216,908.60x = 325,353.32 × 59,137.07
  4. Step 4: Simplify right side
    216,908.60x = 19,240,442,799.03
  5. Step 5: Solve for x
    x = 19,240,442,799.03/216,908.60
  6. Step 6: Final answer
    x = 88,703.00

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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.