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Finding the Fourth Proportional to 94,782, 130,799.08 and 54,503.68

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Solution

The fourth proportional to 94,782, 130,799.08 and 54,503.68 is: 75,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,782 : 130,799.08 = 54,503.68 : x
  2. Step 2: Convert to fraction form
    94,782/130,799.08 = 54,503.68/x
  3. Step 3: Cross multiply
    94,782x = 130,799.08 × 54,503.68
  4. Step 4: Simplify right side
    94,782x = 7,129,031,200.61
  5. Step 5: Solve for x
    x = 7,129,031,200.61/94,782
  6. Step 6: Final answer
    x = 75,215.03

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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.