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Finding the Fourth Proportional to 101,545.54, 140,138.02 and 56,228.54

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Solution

The fourth proportional to 101,545.54, 140,138.02 and 56,228.54 is: 77,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,545.54 : 140,138.02 = 56,228.54 : x
  2. Step 2: Convert to fraction form
    101,545.54/140,138.02 = 56,228.54/x
  3. Step 3: Cross multiply
    101,545.54x = 140,138.02 × 56,228.54
  4. Step 4: Simplify right side
    101,545.54x = 7,879,755,632.69
  5. Step 5: Solve for x
    x = 7,879,755,632.69/101,545.54
  6. Step 6: Final answer
    x = 77,598.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.