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Finding the Fourth Proportional to 140,852.76, 211,134.96 and 61,952.28

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Solution

The fourth proportional to 140,852.76, 211,134.96 and 61,952.28 is: 92,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,852.76 : 211,134.96 = 61,952.28 : x
  2. Step 2: Convert to fraction form
    140,852.76/211,134.96 = 61,952.28/x
  3. Step 3: Cross multiply
    140,852.76x = 211,134.96 × 61,952.28
  4. Step 4: Simplify right side
    140,852.76x = 13,080,292,159.71
  5. Step 5: Solve for x
    x = 13,080,292,159.71/140,852.76
  6. Step 6: Final answer
    x = 92,865.00

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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.