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Finding the Fourth Proportional to 70,160.62, 105,175.30 and 25,775.46

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Solution

The fourth proportional to 70,160.62, 105,175.30 and 25,775.46 is: 38,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,160.62 : 105,175.30 = 25,775.46 : x
  2. Step 2: Convert to fraction form
    70,160.62/105,175.30 = 25,775.46/x
  3. Step 3: Cross multiply
    70,160.62x = 105,175.30 × 25,775.46
  4. Step 4: Simplify right side
    70,160.62x = 2,710,941,738.14
  5. Step 5: Solve for x
    x = 2,710,941,738.14/70,160.62
  6. Step 6: Final answer
    x = 38,639.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.