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Finding the Fourth Proportional to 101,281.92, 151,807.05 and 63,348.42

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Solution

The fourth proportional to 101,281.92, 151,807.05 and 63,348.42 is: 94,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,281.92 : 151,807.05 = 63,348.42 : x
  2. Step 2: Convert to fraction form
    101,281.92/151,807.05 = 63,348.42/x
  3. Step 3: Cross multiply
    101,281.92x = 151,807.05 × 63,348.42
  4. Step 4: Simplify right side
    101,281.92x = 9,616,736,762.36
  5. Step 5: Solve for x
    x = 9,616,736,762.36/101,281.92
  6. Step 6: Final answer
    x = 94,950.18

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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.