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Finding the Fourth Proportional to 117,545.67, 162,254.42 and 69,798.68

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Solution

The fourth proportional to 117,545.67, 162,254.42 and 69,798.68 is: 96,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,545.67 : 162,254.42 = 69,798.68 : x
  2. Step 2: Convert to fraction form
    117,545.67/162,254.42 = 69,798.68/x
  3. Step 3: Cross multiply
    117,545.67x = 162,254.42 × 69,798.68
  4. Step 4: Simplify right side
    117,545.67x = 11,325,144,658.55
  5. Step 5: Solve for x
    x = 11,325,144,658.55/117,545.67
  6. Step 6: Final answer
    x = 96,346.76

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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.