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Finding the Fourth Proportional to 97,476.50, 134,441.13 and 63,495.69

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Solution

The fourth proportional to 97,476.50, 134,441.13 and 63,495.69 is: 87,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,476.50 : 134,441.13 = 63,495.69 : x
  2. Step 2: Convert to fraction form
    97,476.50/134,441.13 = 63,495.69/x
  3. Step 3: Cross multiply
    97,476.50x = 134,441.13 × 63,495.69
  4. Step 4: Simplify right side
    97,476.50x = 8,536,432,313.73
  5. Step 5: Solve for x
    x = 8,536,432,313.73/97,476.50
  6. Step 6: Final answer
    x = 87,574.26

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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.