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Finding the Fourth Proportional to 63,184.80, 94,748.40 and 28,106.40

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Solution

The fourth proportional to 63,184.80, 94,748.40 and 28,106.40 is: 42,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,184.80 : 94,748.40 = 28,106.40 : x
  2. Step 2: Convert to fraction form
    63,184.80/94,748.40 = 28,106.40/x
  3. Step 3: Cross multiply
    63,184.80x = 94,748.40 × 28,106.40
  4. Step 4: Simplify right side
    63,184.80x = 2,663,036,429.76
  5. Step 5: Solve for x
    x = 2,663,036,429.76/63,184.80
  6. Step 6: Final answer
    x = 42,146.79

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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.