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Finding the Fourth Proportional to 97,346.84, 134,339.91 and 56,520.54

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Solution

The fourth proportional to 97,346.84, 134,339.91 and 56,520.54 is: 77,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,346.84 : 134,339.91 = 56,520.54 : x
  2. Step 2: Convert to fraction form
    97,346.84/134,339.91 = 56,520.54/x
  3. Step 3: Cross multiply
    97,346.84x = 134,339.91 × 56,520.54
  4. Step 4: Simplify right side
    97,346.84x = 7,592,964,256.75
  5. Step 5: Solve for x
    x = 7,592,964,256.75/97,346.84
  6. Step 6: Final answer
    x = 77,999.08

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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.