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Finding the Fourth Proportional to 147,043, 220,564.50 and 36,235

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Solution

The fourth proportional to 147,043, 220,564.50 and 36,235 is: 54,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,043 : 220,564.50 = 36,235 : x
  2. Step 2: Convert to fraction form
    147,043/220,564.50 = 36,235/x
  3. Step 3: Cross multiply
    147,043x = 220,564.50 × 36,235
  4. Step 4: Simplify right side
    147,043x = 7,992,154,657.50
  5. Step 5: Solve for x
    x = 7,992,154,657.50/147,043
  6. Step 6: Final answer
    x = 54,352.50

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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.