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Finding the Fourth Proportional to 273,139.98, 376,934.76 and 152,288.88

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Solution

The fourth proportional to 273,139.98, 376,934.76 and 152,288.88 is: 210,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,139.98 : 376,934.76 = 152,288.88 : x
  2. Step 2: Convert to fraction form
    273,139.98/376,934.76 = 152,288.88/x
  3. Step 3: Cross multiply
    273,139.98x = 376,934.76 × 152,288.88
  4. Step 4: Simplify right side
    273,139.98x = 57,402,972,433.47
  5. Step 5: Solve for x
    x = 57,402,972,433.47/273,139.98
  6. Step 6: Final answer
    x = 210,159.54

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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.