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Finding the Fourth Proportional to 135,316.98, 202,895.28 and 64,258.92

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Solution

The fourth proportional to 135,316.98, 202,895.28 and 64,258.92 is: 96,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,316.98 : 202,895.28 = 64,258.92 : x
  2. Step 2: Convert to fraction form
    135,316.98/202,895.28 = 64,258.92/x
  3. Step 3: Cross multiply
    135,316.98x = 202,895.28 × 64,258.92
  4. Step 4: Simplify right side
    135,316.98x = 13,037,831,565.90
  5. Step 5: Solve for x
    x = 13,037,831,565.90/135,316.98
  6. Step 6: Final answer
    x = 96,350.30

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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.