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Finding the Fourth Proportional to 88,697.40, 133,083.90 and 46,609.80

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Solution

The fourth proportional to 88,697.40, 133,083.90 and 46,609.80 is: 69,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,697.40 : 133,083.90 = 46,609.80 : x
  2. Step 2: Convert to fraction form
    88,697.40/133,083.90 = 46,609.80/x
  3. Step 3: Cross multiply
    88,697.40x = 133,083.90 × 46,609.80
  4. Step 4: Simplify right side
    88,697.40x = 6,203,013,962.22
  5. Step 5: Solve for x
    x = 6,203,013,962.22/88,697.40
  6. Step 6: Final answer
    x = 69,934.56

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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.