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Finding the Fourth Proportional to 153,300.82, 211,374.13 and 104,926.05

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Solution

The fourth proportional to 153,300.82, 211,374.13 and 104,926.05 is: 144,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,300.82 : 211,374.13 = 104,926.05 : x
  2. Step 2: Convert to fraction form
    153,300.82/211,374.13 = 104,926.05/x
  3. Step 3: Cross multiply
    153,300.82x = 211,374.13 × 104,926.05
  4. Step 4: Simplify right side
    153,300.82x = 22,178,652,533.09
  5. Step 5: Solve for x
    x = 22,178,652,533.09/153,300.82
  6. Step 6: Final answer
    x = 144,674.06

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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.