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Finding the Fourth Proportional to 153,347.64, 211,642.36 and 92,097.96

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Solution

The fourth proportional to 153,347.64, 211,642.36 and 92,097.96 is: 127,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,347.64 : 211,642.36 = 92,097.96 : x
  2. Step 2: Convert to fraction form
    153,347.64/211,642.36 = 92,097.96/x
  3. Step 3: Cross multiply
    153,347.64x = 211,642.36 × 92,097.96
  4. Step 4: Simplify right side
    153,347.64x = 19,491,829,605.59
  5. Step 5: Solve for x
    x = 19,491,829,605.59/153,347.64
  6. Step 6: Final answer
    x = 127,108.77

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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.