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Finding the Fourth Proportional to 163,362.64, 245,077.96 and 51,038.32

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Solution

The fourth proportional to 163,362.64, 245,077.96 and 51,038.32 is: 76,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,362.64 : 245,077.96 = 51,038.32 : x
  2. Step 2: Convert to fraction form
    163,362.64/245,077.96 = 51,038.32/x
  3. Step 3: Cross multiply
    163,362.64x = 245,077.96 × 51,038.32
  4. Step 4: Simplify right side
    163,362.64x = 12,508,367,347.43
  5. Step 5: Solve for x
    x = 12,508,367,347.43/163,362.64
  6. Step 6: Final answer
    x = 76,568.10

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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.