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Finding the Fourth Proportional to 243,043, 364,726.50 and 93,406.84

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Solution

The fourth proportional to 243,043, 364,726.50 and 93,406.84 is: 140,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,043 : 364,726.50 = 93,406.84 : x
  2. Step 2: Convert to fraction form
    243,043/364,726.50 = 93,406.84/x
  3. Step 3: Cross multiply
    243,043x = 364,726.50 × 93,406.84
  4. Step 4: Simplify right side
    243,043x = 34,067,949,829.26
  5. Step 5: Solve for x
    x = 34,067,949,829.26/243,043
  6. Step 6: Final answer
    x = 140,172.52

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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.