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Finding the Fourth Proportional to 137,275.76, 205,865.39 and 41,184.32

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Solution

The fourth proportional to 137,275.76, 205,865.39 and 41,184.32 is: 61,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,275.76 : 205,865.39 = 41,184.32 : x
  2. Step 2: Convert to fraction form
    137,275.76/205,865.39 = 41,184.32/x
  3. Step 3: Cross multiply
    137,275.76x = 205,865.39 × 41,184.32
  4. Step 4: Simplify right side
    137,275.76x = 8,478,426,407.43
  5. Step 5: Solve for x
    x = 8,478,426,407.43/137,275.76
  6. Step 6: Final answer
    x = 61,762.01

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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.