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Finding the Fourth Proportional to 175,424.87, 242,085.98 and 98,943.73

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Solution

The fourth proportional to 175,424.87, 242,085.98 and 98,943.73 is: 136,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,424.87 : 242,085.98 = 98,943.73 : x
  2. Step 2: Convert to fraction form
    175,424.87/242,085.98 = 98,943.73/x
  3. Step 3: Cross multiply
    175,424.87x = 242,085.98 × 98,943.73
  4. Step 4: Simplify right side
    175,424.87x = 23,952,889,484.05
  5. Step 5: Solve for x
    x = 23,952,889,484.05/175,424.87
  6. Step 6: Final answer
    x = 136,542.15

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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.