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Finding the Fourth Proportional to 97,434.38, 134,459.45 and 52,722.38

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Solution

The fourth proportional to 97,434.38, 134,459.45 and 52,722.38 is: 72,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,434.38 : 134,459.45 = 52,722.38 : x
  2. Step 2: Convert to fraction form
    97,434.38/134,459.45 = 52,722.38/x
  3. Step 3: Cross multiply
    97,434.38x = 134,459.45 × 52,722.38
  4. Step 4: Simplify right side
    97,434.38x = 7,089,021,281.58
  5. Step 5: Solve for x
    x = 7,089,021,281.58/97,434.38
  6. Step 6: Final answer
    x = 72,756.88

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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.