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Finding the Fourth Proportional to 141,707.54, 212,561.01 and 97,199.39

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Solution

The fourth proportional to 141,707.54, 212,561.01 and 97,199.39 is: 145,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,707.54 : 212,561.01 = 97,199.39 : x
  2. Step 2: Convert to fraction form
    141,707.54/212,561.01 = 97,199.39/x
  3. Step 3: Cross multiply
    141,707.54x = 212,561.01 × 97,199.39
  4. Step 4: Simplify right side
    141,707.54x = 20,660,801,041.19
  5. Step 5: Solve for x
    x = 20,660,801,041.19/141,707.54
  6. Step 6: Final answer
    x = 145,798.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.