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Finding the Fourth Proportional to 70,354.48, 97,095.60 and 38,527.96

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Solution

The fourth proportional to 70,354.48, 97,095.60 and 38,527.96 is: 53,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,354.48 : 97,095.60 = 38,527.96 : x
  2. Step 2: Convert to fraction form
    70,354.48/97,095.60 = 38,527.96/x
  3. Step 3: Cross multiply
    70,354.48x = 97,095.60 × 38,527.96
  4. Step 4: Simplify right side
    70,354.48x = 3,740,895,392.98
  5. Step 5: Solve for x
    x = 3,740,895,392.98/70,354.48
  6. Step 6: Final answer
    x = 53,172.10

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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.