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Finding the Fourth Proportional to 124,463, 171,763.26 and 70,750.28

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Solution

The fourth proportional to 124,463, 171,763.26 and 70,750.28 is: 97,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,463 : 171,763.26 = 70,750.28 : x
  2. Step 2: Convert to fraction form
    124,463/171,763.26 = 70,750.28/x
  3. Step 3: Cross multiply
    124,463x = 171,763.26 × 70,750.28
  4. Step 4: Simplify right side
    124,463x = 12,152,298,738.71
  5. Step 5: Solve for x
    x = 12,152,298,738.71/124,463
  6. Step 6: Final answer
    x = 97,637.84

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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.