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Finding the Fourth Proportional to 73,989.92, 111,225.48 and 59,358.92

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Solution

The fourth proportional to 73,989.92, 111,225.48 and 59,358.92 is: 89,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,989.92 : 111,225.48 = 59,358.92 : x
  2. Step 2: Convert to fraction form
    73,989.92/111,225.48 = 59,358.92/x
  3. Step 3: Cross multiply
    73,989.92x = 111,225.48 × 59,358.92
  4. Step 4: Simplify right side
    73,989.92x = 6,602,224,369.28
  5. Step 5: Solve for x
    x = 6,602,224,369.28/73,989.92
  6. Step 6: Final answer
    x = 89,231.40

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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.