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Finding the Fourth Proportional to 141,009.46, 211,384.69 and 60,997.46

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Solution

The fourth proportional to 141,009.46, 211,384.69 and 60,997.46 is: 91,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,009.46 : 211,384.69 = 60,997.46 : x
  2. Step 2: Convert to fraction form
    141,009.46/211,384.69 = 60,997.46/x
  3. Step 3: Cross multiply
    141,009.46x = 211,384.69 × 60,997.46
  4. Step 4: Simplify right side
    141,009.46x = 12,893,927,963.47
  5. Step 5: Solve for x
    x = 12,893,927,963.47/141,009.46
  6. Step 6: Final answer
    x = 91,440.16

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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.