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Finding the Fourth Proportional to 97,387.56, 134,416.50 and 63,336.84

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Solution

The fourth proportional to 97,387.56, 134,416.50 and 63,336.84 is: 87,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,387.56 : 134,416.50 = 63,336.84 : x
  2. Step 2: Convert to fraction form
    97,387.56/134,416.50 = 63,336.84/x
  3. Step 3: Cross multiply
    97,387.56x = 134,416.50 × 63,336.84
  4. Step 4: Simplify right side
    97,387.56x = 8,513,516,353.86
  5. Step 5: Solve for x
    x = 8,513,516,353.86/97,387.56
  6. Step 6: Final answer
    x = 87,418.93

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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.