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Finding the Fourth Proportional to 357,050.27, 535,573.08 and 90,808.49

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Solution

The fourth proportional to 357,050.27, 535,573.08 and 90,808.49 is: 136,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,050.27 : 535,573.08 = 90,808.49 : x
  2. Step 2: Convert to fraction form
    357,050.27/535,573.08 = 90,808.49/x
  3. Step 3: Cross multiply
    357,050.27x = 535,573.08 × 90,808.49
  4. Step 4: Simplify right side
    357,050.27x = 48,634,580,001.58
  5. Step 5: Solve for x
    x = 48,634,580,001.58/357,050.27
  6. Step 6: Final answer
    x = 136,212.14

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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.