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Finding the Fourth Proportional to 75,002.70, 112,374.45 and 63,338.70

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Solution

The fourth proportional to 75,002.70, 112,374.45 and 63,338.70 is: 94,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002.70 : 112,374.45 = 63,338.70 : x
  2. Step 2: Convert to fraction form
    75,002.70/112,374.45 = 63,338.70/x
  3. Step 3: Cross multiply
    75,002.70x = 112,374.45 × 63,338.70
  4. Step 4: Simplify right side
    75,002.70x = 7,117,651,576.22
  5. Step 5: Solve for x
    x = 7,117,651,576.22/75,002.70
  6. Step 6: Final answer
    x = 94,898.60

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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.