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Finding the Fourth Proportional to 73,210.94, 100,955.66 and 62,635.58

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Solution

The fourth proportional to 73,210.94, 100,955.66 and 62,635.58 is: 86,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210.94 : 100,955.66 = 62,635.58 : x
  2. Step 2: Convert to fraction form
    73,210.94/100,955.66 = 62,635.58/x
  3. Step 3: Cross multiply
    73,210.94x = 100,955.66 × 62,635.58
  4. Step 4: Simplify right side
    73,210.94x = 6,323,416,318.38
  5. Step 5: Solve for x
    x = 6,323,416,318.38/73,210.94
  6. Step 6: Final answer
    x = 86,372.56

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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.