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Finding the Fourth Proportional to 114,073.86, 171,139.95 and 47,491.86

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Solution

The fourth proportional to 114,073.86, 171,139.95 and 47,491.86 is: 71,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,073.86 : 171,139.95 = 47,491.86 : x
  2. Step 2: Convert to fraction form
    114,073.86/171,139.95 = 47,491.86/x
  3. Step 3: Cross multiply
    114,073.86x = 171,139.95 × 47,491.86
  4. Step 4: Simplify right side
    114,073.86x = 8,127,754,545.81
  5. Step 5: Solve for x
    x = 8,127,754,545.81/114,073.86
  6. Step 6: Final answer
    x = 71,249.93

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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.