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Finding the Fourth Proportional to 141,751.88, 212,701.95 and 133,583.45

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Solution

The fourth proportional to 141,751.88, 212,701.95 and 133,583.45 is: 200,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.88 : 212,701.95 = 133,583.45 : x
  2. Step 2: Convert to fraction form
    141,751.88/212,701.95 = 133,583.45/x
  3. Step 3: Cross multiply
    141,751.88x = 212,701.95 × 133,583.45
  4. Step 4: Simplify right side
    141,751.88x = 28,413,460,302.73
  5. Step 5: Solve for x
    x = 28,413,460,302.73/141,751.88
  6. Step 6: Final answer
    x = 200,445.03

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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.