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Finding the Fourth Proportional to 182,400.71, 251,715.47 and 100,734.47

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Solution

The fourth proportional to 182,400.71, 251,715.47 and 100,734.47 is: 139,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,400.71 : 251,715.47 = 100,734.47 : x
  2. Step 2: Convert to fraction form
    182,400.71/251,715.47 = 100,734.47/x
  3. Step 3: Cross multiply
    182,400.71x = 251,715.47 × 100,734.47
  4. Step 4: Simplify right side
    182,400.71x = 25,356,423,328.29
  5. Step 5: Solve for x
    x = 25,356,423,328.29/182,400.71
  6. Step 6: Final answer
    x = 139,014.94

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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.