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Finding the Fourth Proportional to 145,174.84, 200,362.98 and 88,619.08

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Solution

The fourth proportional to 145,174.84, 200,362.98 and 88,619.08 is: 122,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,174.84 : 200,362.98 = 88,619.08 : x
  2. Step 2: Convert to fraction form
    145,174.84/200,362.98 = 88,619.08/x
  3. Step 3: Cross multiply
    145,174.84x = 200,362.98 × 88,619.08
  4. Step 4: Simplify right side
    145,174.84x = 17,755,982,953.66
  5. Step 5: Solve for x
    x = 17,755,982,953.66/145,174.84
  6. Step 6: Final answer
    x = 122,307.58

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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.