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Finding the Fourth Proportional to 134,493.10, 201,718.05 and 40,977.10

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Solution

The fourth proportional to 134,493.10, 201,718.05 and 40,977.10 is: 61,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,493.10 : 201,718.05 = 40,977.10 : x
  2. Step 2: Convert to fraction form
    134,493.10/201,718.05 = 40,977.10/x
  3. Step 3: Cross multiply
    134,493.10x = 201,718.05 × 40,977.10
  4. Step 4: Simplify right side
    134,493.10x = 8,265,820,706.66
  5. Step 5: Solve for x
    x = 8,265,820,706.66/134,493.10
  6. Step 6: Final answer
    x = 61,459.07

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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.