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Finding the Fourth Proportional to 70,176.46, 96,843.87 and 38,345.89

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Solution

The fourth proportional to 70,176.46, 96,843.87 and 38,345.89 is: 52,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,176.46 : 96,843.87 = 38,345.89 : x
  2. Step 2: Convert to fraction form
    70,176.46/96,843.87 = 38,345.89/x
  3. Step 3: Cross multiply
    70,176.46x = 96,843.87 × 38,345.89
  4. Step 4: Simplify right side
    70,176.46x = 3,713,564,386.19
  5. Step 5: Solve for x
    x = 3,713,564,386.19/70,176.46
  6. Step 6: Final answer
    x = 52,917.52

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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.