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Finding the Fourth Proportional to 237,430.20, 355,842.90 and 97,030.20

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Solution

The fourth proportional to 237,430.20, 355,842.90 and 97,030.20 is: 145,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,430.20 : 355,842.90 = 97,030.20 : x
  2. Step 2: Convert to fraction form
    237,430.20/355,842.90 = 97,030.20/x
  3. Step 3: Cross multiply
    237,430.20x = 355,842.90 × 97,030.20
  4. Step 4: Simplify right side
    237,430.20x = 34,527,507,755.58
  5. Step 5: Solve for x
    x = 34,527,507,755.58/237,430.20
  6. Step 6: Final answer
    x = 145,421.72

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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.