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Finding the Fourth Proportional to 357,203.59, 535,805.35 and 107,885.59

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Solution

The fourth proportional to 357,203.59, 535,805.35 and 107,885.59 is: 161,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,203.59 : 535,805.35 = 107,885.59 : x
  2. Step 2: Convert to fraction form
    357,203.59/535,805.35 = 107,885.59/x
  3. Step 3: Cross multiply
    357,203.59x = 535,805.35 × 107,885.59
  4. Step 4: Simplify right side
    357,203.59x = 57,805,676,309.91
  5. Step 5: Solve for x
    x = 57,805,676,309.91/357,203.59
  6. Step 6: Final answer
    x = 161,828.37

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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.