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Finding the Fourth Proportional to 46,205.20, 64,818.50 and 46,205.20

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Solution

The fourth proportional to 46,205.20, 64,818.50 and 46,205.20 is: 64,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,205.20 : 64,818.50 = 46,205.20 : x
  2. Step 2: Convert to fraction form
    46,205.20/64,818.50 = 46,205.20/x
  3. Step 3: Cross multiply
    46,205.20x = 64,818.50 × 46,205.20
  4. Step 4: Simplify right side
    46,205.20x = 2,994,951,756.20
  5. Step 5: Solve for x
    x = 2,994,951,756.20/46,205.20
  6. Step 6: Final answer
    x = 64,818.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.