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Finding the Fourth Proportional to 94,135.80, 141,200.82 and 31,801.08

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Solution

The fourth proportional to 94,135.80, 141,200.82 and 31,801.08 is: 47,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,135.80 : 141,200.82 = 31,801.08 : x
  2. Step 2: Convert to fraction form
    94,135.80/141,200.82 = 31,801.08/x
  3. Step 3: Cross multiply
    94,135.80x = 141,200.82 × 31,801.08
  4. Step 4: Simplify right side
    94,135.80x = 4,490,338,572.89
  5. Step 5: Solve for x
    x = 4,490,338,572.89/94,135.80
  6. Step 6: Final answer
    x = 47,700.65

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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.