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Finding the Fourth Proportional to 125,955.12, 173,818.28 and 69,366.64

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Solution

The fourth proportional to 125,955.12, 173,818.28 and 69,366.64 is: 95,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,955.12 : 173,818.28 = 69,366.64 : x
  2. Step 2: Convert to fraction form
    125,955.12/173,818.28 = 69,366.64/x
  3. Step 3: Cross multiply
    125,955.12x = 173,818.28 × 69,366.64
  4. Step 4: Simplify right side
    125,955.12x = 12,057,190,054.18
  5. Step 5: Solve for x
    x = 12,057,190,054.18/125,955.12
  6. Step 6: Final answer
    x = 95,726.08

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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.