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Finding the Fourth Proportional to 93,078.81, 138,565.44 and 92,525.22

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Solution

The fourth proportional to 93,078.81, 138,565.44 and 92,525.22 is: 137,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,078.81 : 138,565.44 = 92,525.22 : x
  2. Step 2: Convert to fraction form
    93,078.81/138,565.44 = 92,525.22/x
  3. Step 3: Cross multiply
    93,078.81x = 138,565.44 × 92,525.22
  4. Step 4: Simplify right side
    93,078.81x = 12,820,797,820.40
  5. Step 5: Solve for x
    x = 12,820,797,820.40/93,078.81
  6. Step 6: Final answer
    x = 137,741.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.