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Finding the Fourth Proportional to 125,675.07, 188,510.94 and 30,906.07

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Solution

The fourth proportional to 125,675.07, 188,510.94 and 30,906.07 is: 46,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,675.07 : 188,510.94 = 30,906.07 : x
  2. Step 2: Convert to fraction form
    125,675.07/188,510.94 = 30,906.07/x
  3. Step 3: Cross multiply
    125,675.07x = 188,510.94 × 30,906.07
  4. Step 4: Simplify right side
    125,675.07x = 5,826,132,307.41
  5. Step 5: Solve for x
    x = 5,826,132,307.41/125,675.07
  6. Step 6: Final answer
    x = 46,358.70

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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.