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Finding the Fourth Proportional to 273,079.80, 376,851.90 and 152,228.76

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Solution

The fourth proportional to 273,079.80, 376,851.90 and 152,228.76 is: 210,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,079.80 : 376,851.90 = 152,228.76 : x
  2. Step 2: Convert to fraction form
    273,079.80/376,851.90 = 152,228.76/x
  3. Step 3: Cross multiply
    273,079.80x = 376,851.90 × 152,228.76
  4. Step 4: Simplify right side
    273,079.80x = 57,367,697,440.64
  5. Step 5: Solve for x
    x = 57,367,697,440.64/273,079.80
  6. Step 6: Final answer
    x = 210,076.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.