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Finding the Fourth Proportional to 238,039.80, 357,059.34 and 97,699.56

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Solution

The fourth proportional to 238,039.80, 357,059.34 and 97,699.56 is: 146,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,039.80 : 357,059.34 = 97,699.56 : x
  2. Step 2: Convert to fraction form
    238,039.80/357,059.34 = 97,699.56/x
  3. Step 3: Cross multiply
    238,039.80x = 357,059.34 × 97,699.56
  4. Step 4: Simplify right side
    238,039.80x = 34,884,540,411.89
  5. Step 5: Solve for x
    x = 34,884,540,411.89/238,039.80
  6. Step 6: Final answer
    x = 146,549.19

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1.5x scale

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.