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Finding the Fourth Proportional to 250,752.60, 376,124.94 and 100,989.36

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Solution

The fourth proportional to 250,752.60, 376,124.94 and 100,989.36 is: 151,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,752.60 : 376,124.94 = 100,989.36 : x
  2. Step 2: Convert to fraction form
    250,752.60/376,124.94 = 100,989.36/x
  3. Step 3: Cross multiply
    250,752.60x = 376,124.94 × 100,989.36
  4. Step 4: Simplify right side
    250,752.60x = 37,984,616,970.64
  5. Step 5: Solve for x
    x = 37,984,616,970.64/250,752.60
  6. Step 6: Final answer
    x = 151,482.45

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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.