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Finding the Fourth Proportional to 70,176.77, 96,844.62 and 38,345.66

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Solution

The fourth proportional to 70,176.77, 96,844.62 and 38,345.66 is: 52,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,176.77 : 96,844.62 = 38,345.66 : x
  2. Step 2: Convert to fraction form
    70,176.77/96,844.62 = 38,345.66/x
  3. Step 3: Cross multiply
    70,176.77x = 96,844.62 × 38,345.66
  4. Step 4: Simplify right side
    70,176.77x = 3,713,570,871.35
  5. Step 5: Solve for x
    x = 3,713,570,871.35/70,176.77
  6. Step 6: Final answer
    x = 52,917.38

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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.