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Finding the Fourth Proportional to 110,813.40, 152,935.62 and 62,416.92

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Solution

The fourth proportional to 110,813.40, 152,935.62 and 62,416.92 is: 86,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,813.40 : 152,935.62 = 62,416.92 : x
  2. Step 2: Convert to fraction form
    110,813.40/152,935.62 = 62,416.92/x
  3. Step 3: Cross multiply
    110,813.40x = 152,935.62 × 62,416.92
  4. Step 4: Simplify right side
    110,813.40x = 9,545,770,358.69
  5. Step 5: Solve for x
    x = 9,545,770,358.69/110,813.40
  6. Step 6: Final answer
    x = 86,142.74

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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.