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Finding the Fourth Proportional to 145,365.80, 200,684.22 and 88,014.92

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Solution

The fourth proportional to 145,365.80, 200,684.22 and 88,014.92 is: 121,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,365.80 : 200,684.22 = 88,014.92 : x
  2. Step 2: Convert to fraction form
    145,365.80/200,684.22 = 88,014.92/x
  3. Step 3: Cross multiply
    145,365.80x = 200,684.22 × 88,014.92
  4. Step 4: Simplify right side
    145,365.80x = 17,663,205,568.56
  5. Step 5: Solve for x
    x = 17,663,205,568.56/145,365.80
  6. Step 6: Final answer
    x = 121,508.67

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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.