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Finding the Fourth Proportional to 84,508.77, 116,701.12 and 54,346.47

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Solution

The fourth proportional to 84,508.77, 116,701.12 and 54,346.47 is: 75,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,508.77 : 116,701.12 = 54,346.47 : x
  2. Step 2: Convert to fraction form
    84,508.77/116,701.12 = 54,346.47/x
  3. Step 3: Cross multiply
    84,508.77x = 116,701.12 × 54,346.47
  4. Step 4: Simplify right side
    84,508.77x = 6,342,293,547.35
  5. Step 5: Solve for x
    x = 6,342,293,547.35/84,508.77
  6. Step 6: Final answer
    x = 75,048.94

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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.