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Finding the Fourth Proportional to 251,409.76, 377,114.52 and 73,918.24

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Solution

The fourth proportional to 251,409.76, 377,114.52 and 73,918.24 is: 110,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,409.76 : 377,114.52 = 73,918.24 : x
  2. Step 2: Convert to fraction form
    251,409.76/377,114.52 = 73,918.24/x
  3. Step 3: Cross multiply
    251,409.76x = 377,114.52 × 73,918.24
  4. Step 4: Simplify right side
    251,409.76x = 27,875,641,596.84
  5. Step 5: Solve for x
    x = 27,875,641,596.84/251,409.76
  6. Step 6: Final answer
    x = 110,877.32

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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.