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Finding the Fourth Proportional to 162,864.61, 224,776.91 and 91,249.48

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Solution

The fourth proportional to 162,864.61, 224,776.91 and 91,249.48 is: 125,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,864.61 : 224,776.91 = 91,249.48 : x
  2. Step 2: Convert to fraction form
    162,864.61/224,776.91 = 91,249.48/x
  3. Step 3: Cross multiply
    162,864.61x = 224,776.91 × 91,249.48
  4. Step 4: Simplify right side
    162,864.61x = 20,510,776,153.51
  5. Step 5: Solve for x
    x = 20,510,776,153.51/162,864.61
  6. Step 6: Final answer
    x = 125,937.59

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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.