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Finding the Fourth Proportional to 107,365.80, 160,854.30 and 91,813.80

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Solution

The fourth proportional to 107,365.80, 160,854.30 and 91,813.80 is: 137,554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,365.80 : 160,854.30 = 91,813.80 : x
  2. Step 2: Convert to fraction form
    107,365.80/160,854.30 = 91,813.80/x
  3. Step 3: Cross multiply
    107,365.80x = 160,854.30 × 91,813.80
  4. Step 4: Simplify right side
    107,365.80x = 14,768,644,529.34
  5. Step 5: Solve for x
    x = 14,768,644,529.34/107,365.80
  6. Step 6: Final answer
    x = 137,554.46

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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.