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Finding the Fourth Proportional to 357,265.10, 535,946.80 and 132,606.48

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Solution

The fourth proportional to 357,265.10, 535,946.80 and 132,606.48 is: 198,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,265.10 : 535,946.80 = 132,606.48 : x
  2. Step 2: Convert to fraction form
    357,265.10/535,946.80 = 132,606.48/x
  3. Step 3: Cross multiply
    357,265.10x = 535,946.80 × 132,606.48
  4. Step 4: Simplify right side
    357,265.10x = 71,070,018,615.26
  5. Step 5: Solve for x
    x = 71,070,018,615.26/357,265.10
  6. Step 6: Final answer
    x = 198,927.96

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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.