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Finding the Fourth Proportional to 107,692.75, 148,613.40 and 59,945.05

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Solution

The fourth proportional to 107,692.75, 148,613.40 and 59,945.05 is: 82,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,692.75 : 148,613.40 = 59,945.05 : x
  2. Step 2: Convert to fraction form
    107,692.75/148,613.40 = 59,945.05/x
  3. Step 3: Cross multiply
    107,692.75x = 148,613.40 × 59,945.05
  4. Step 4: Simplify right side
    107,692.75x = 8,908,637,693.67
  5. Step 5: Solve for x
    x = 8,908,637,693.67/107,692.75
  6. Step 6: Final answer
    x = 82,722.72

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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.