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Finding the Fourth Proportional to 125,223.84, 187,844.40 and 46,336.32

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Solution

The fourth proportional to 125,223.84, 187,844.40 and 46,336.32 is: 69,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,223.84 : 187,844.40 = 46,336.32 : x
  2. Step 2: Convert to fraction form
    125,223.84/187,844.40 = 46,336.32/x
  3. Step 3: Cross multiply
    125,223.84x = 187,844.40 × 46,336.32
  4. Step 4: Simplify right side
    125,223.84x = 8,704,018,228.61
  5. Step 5: Solve for x
    x = 8,704,018,228.61/125,223.84
  6. Step 6: Final answer
    x = 69,507.68

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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.