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Finding the Fourth Proportional to 124,577.75, 171,926.42 and 70,880.01

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Solution

The fourth proportional to 124,577.75, 171,926.42 and 70,880.01 is: 97,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,577.75 : 171,926.42 = 70,880.01 : x
  2. Step 2: Convert to fraction form
    124,577.75/171,926.42 = 70,880.01/x
  3. Step 3: Cross multiply
    124,577.75x = 171,926.42 × 70,880.01
  4. Step 4: Simplify right side
    124,577.75x = 12,186,146,014.46
  5. Step 5: Solve for x
    x = 12,186,146,014.46/124,577.75
  6. Step 6: Final answer
    x = 97,819.61

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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.