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Finding the Fourth Proportional to 114,115.34, 171,101.00 and 39,228.81

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Solution

The fourth proportional to 114,115.34, 171,101.00 and 39,228.81 is: 58,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,115.34 : 171,101.00 = 39,228.81 : x
  2. Step 2: Convert to fraction form
    114,115.34/171,101.00 = 39,228.81/x
  3. Step 3: Cross multiply
    114,115.34x = 171,101.00 × 39,228.81
  4. Step 4: Simplify right side
    114,115.34x = 6,712,088,423.67
  5. Step 5: Solve for x
    x = 6,712,088,423.67/114,115.34
  6. Step 6: Final answer
    x = 58,818.46

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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.