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Finding the Fourth Proportional to 362,205.60, 543,360.16 and 112,907.04

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Solution

The fourth proportional to 362,205.60, 543,360.16 and 112,907.04 is: 169,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,205.60 : 543,360.16 = 112,907.04 : x
  2. Step 2: Convert to fraction form
    362,205.60/543,360.16 = 112,907.04/x
  3. Step 3: Cross multiply
    362,205.60x = 543,360.16 × 112,907.04
  4. Step 4: Simplify right side
    362,205.60x = 61,349,187,319.53
  5. Step 5: Solve for x
    x = 61,349,187,319.53/362,205.60
  6. Step 6: Final answer
    x = 169,376.69

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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.