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Finding the Fourth Proportional to 154,033.50, 231,050.25 and 55,537.50

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Solution

The fourth proportional to 154,033.50, 231,050.25 and 55,537.50 is: 83,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.50 : 231,050.25 = 55,537.50 : x
  2. Step 2: Convert to fraction form
    154,033.50/231,050.25 = 55,537.50/x
  3. Step 3: Cross multiply
    154,033.50x = 231,050.25 × 55,537.50
  4. Step 4: Simplify right side
    154,033.50x = 12,831,953,259.38
  5. Step 5: Solve for x
    x = 12,831,953,259.38/154,033.50
  6. Step 6: Final answer
    x = 83,306.25

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1.5x scale

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.