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Finding the Fourth Proportional to 219,807.84, 303,331.24 and 124,310.96

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Solution

The fourth proportional to 219,807.84, 303,331.24 and 124,310.96 is: 171,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,807.84 : 303,331.24 = 124,310.96 : x
  2. Step 2: Convert to fraction form
    219,807.84/303,331.24 = 124,310.96/x
  3. Step 3: Cross multiply
    219,807.84x = 303,331.24 × 124,310.96
  4. Step 4: Simplify right side
    219,807.84x = 37,707,397,642.39
  5. Step 5: Solve for x
    x = 37,707,397,642.39/219,807.84
  6. Step 6: Final answer
    x = 171,547.10

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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.