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Finding the Fourth Proportional to 183,785.80, 275,678.70 and 59,139.40

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Solution

The fourth proportional to 183,785.80, 275,678.70 and 59,139.40 is: 88,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,785.80 : 275,678.70 = 59,139.40 : x
  2. Step 2: Convert to fraction form
    183,785.80/275,678.70 = 59,139.40/x
  3. Step 3: Cross multiply
    183,785.80x = 275,678.70 × 59,139.40
  4. Step 4: Simplify right side
    183,785.80x = 16,303,472,910.78
  5. Step 5: Solve for x
    x = 16,303,472,910.78/183,785.80
  6. Step 6: Final answer
    x = 88,709.10

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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.