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Finding the Fourth Proportional to 178,430.31, 246,211.35 and 97,836.63

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Solution

The fourth proportional to 178,430.31, 246,211.35 and 97,836.63 is: 135,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,430.31 : 246,211.35 = 97,836.63 : x
  2. Step 2: Convert to fraction form
    178,430.31/246,211.35 = 97,836.63/x
  3. Step 3: Cross multiply
    178,430.31x = 246,211.35 × 97,836.63
  4. Step 4: Simplify right side
    178,430.31x = 24,088,488,751.75
  5. Step 5: Solve for x
    x = 24,088,488,751.75/178,430.31
  6. Step 6: Final answer
    x = 135,002.22

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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.