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Finding the Fourth Proportional to 362,386.16, 543,098.08 and 162,669.32

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Solution

The fourth proportional to 362,386.16, 543,098.08 and 162,669.32 is: 243,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,386.16 : 543,098.08 = 162,669.32 : x
  2. Step 2: Convert to fraction form
    362,386.16/543,098.08 = 162,669.32/x
  3. Step 3: Cross multiply
    362,386.16x = 543,098.08 × 162,669.32
  4. Step 4: Simplify right side
    362,386.16x = 88,345,395,366.91
  5. Step 5: Solve for x
    x = 88,345,395,366.91/362,386.16
  6. Step 6: Final answer
    x = 243,788.00

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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.