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Finding the Fourth Proportional to 181,417.74, 250,269.39 and 156,223.50

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Solution

The fourth proportional to 181,417.74, 250,269.39 and 156,223.50 is: 215,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,417.74 : 250,269.39 = 156,223.50 : x
  2. Step 2: Convert to fraction form
    181,417.74/250,269.39 = 156,223.50/x
  3. Step 3: Cross multiply
    181,417.74x = 250,269.39 × 156,223.50
  4. Step 4: Simplify right side
    181,417.74x = 39,097,960,048.67
  5. Step 5: Solve for x
    x = 39,097,960,048.67/181,417.74
  6. Step 6: Final answer
    x = 215,513.43

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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.