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Finding the Fourth Proportional to 70,656.34, 97,477.81 and 45,520.50

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Solution

The fourth proportional to 70,656.34, 97,477.81 and 45,520.50 is: 62,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656.34 : 97,477.81 = 45,520.50 : x
  2. Step 2: Convert to fraction form
    70,656.34/97,477.81 = 45,520.50/x
  3. Step 3: Cross multiply
    70,656.34x = 97,477.81 × 45,520.50
  4. Step 4: Simplify right side
    70,656.34x = 4,437,238,650.11
  5. Step 5: Solve for x
    x = 4,437,238,650.11/70,656.34
  6. Step 6: Final answer
    x = 62,800.29

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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.