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Finding the Fourth Proportional to 101,639.68, 152,459.52 and 46,251.52

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Solution

The fourth proportional to 101,639.68, 152,459.52 and 46,251.52 is: 69,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,639.68 : 152,459.52 = 46,251.52 : x
  2. Step 2: Convert to fraction form
    101,639.68/152,459.52 = 46,251.52/x
  3. Step 3: Cross multiply
    101,639.68x = 152,459.52 × 46,251.52
  4. Step 4: Simplify right side
    101,639.68x = 7,051,484,538.47
  5. Step 5: Solve for x
    x = 7,051,484,538.47/101,639.68
  6. Step 6: Final answer
    x = 69,377.28

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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.