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Finding the Fourth Proportional to 97,172.01, 134,088.06 and 54,149.67

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Solution

The fourth proportional to 97,172.01, 134,088.06 and 54,149.67 is: 74,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,172.01 : 134,088.06 = 54,149.67 : x
  2. Step 2: Convert to fraction form
    97,172.01/134,088.06 = 54,149.67/x
  3. Step 3: Cross multiply
    97,172.01x = 134,088.06 × 54,149.67
  4. Step 4: Simplify right side
    97,172.01x = 7,260,824,199.94
  5. Step 5: Solve for x
    x = 7,260,824,199.94/97,172.01
  6. Step 6: Final answer
    x = 74,721.35

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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.