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Finding the Fourth Proportional to 124,600.82, 171,943.14 and 70,880.80

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Solution

The fourth proportional to 124,600.82, 171,943.14 and 70,880.80 is: 97,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,600.82 : 171,943.14 = 70,880.80 : x
  2. Step 2: Convert to fraction form
    124,600.82/171,943.14 = 70,880.80/x
  3. Step 3: Cross multiply
    124,600.82x = 171,943.14 × 70,880.80
  4. Step 4: Simplify right side
    124,600.82x = 12,187,467,317.71
  5. Step 5: Solve for x
    x = 12,187,467,317.71/124,600.82
  6. Step 6: Final answer
    x = 97,812.10

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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.