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Finding the Fourth Proportional to 255,677.61, 352,837.39 and 140,960.32

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Solution

The fourth proportional to 255,677.61, 352,837.39 and 140,960.32 is: 194,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,677.61 : 352,837.39 = 140,960.32 : x
  2. Step 2: Convert to fraction form
    255,677.61/352,837.39 = 140,960.32/x
  3. Step 3: Cross multiply
    255,677.61x = 352,837.39 × 140,960.32
  4. Step 4: Simplify right side
    255,677.61x = 49,736,071,402.36
  5. Step 5: Solve for x
    x = 49,736,071,402.36/255,677.61
  6. Step 6: Final answer
    x = 194,526.50

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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.