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Finding the Fourth Proportional to 97,760.79, 134,909.41 and 53,048.79

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Solution

The fourth proportional to 97,760.79, 134,909.41 and 53,048.79 is: 73,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,760.79 : 134,909.41 = 53,048.79 : x
  2. Step 2: Convert to fraction form
    97,760.79/134,909.41 = 53,048.79/x
  3. Step 3: Cross multiply
    97,760.79x = 134,909.41 × 53,048.79
  4. Step 4: Simplify right side
    97,760.79x = 7,156,780,960.11
  5. Step 5: Solve for x
    x = 7,156,780,960.11/97,760.79
  6. Step 6: Final answer
    x = 73,207.07

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1.5x scale

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.