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Finding the Fourth Proportional to 201,666.70, 302,500.05 and 61,407.10

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Solution

The fourth proportional to 201,666.70, 302,500.05 and 61,407.10 is: 92,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,666.70 : 302,500.05 = 61,407.10 : x
  2. Step 2: Convert to fraction form
    201,666.70/302,500.05 = 61,407.10/x
  3. Step 3: Cross multiply
    201,666.70x = 302,500.05 × 61,407.10
  4. Step 4: Simplify right side
    201,666.70x = 18,575,650,820.36
  5. Step 5: Solve for x
    x = 18,575,650,820.36/201,666.70
  6. Step 6: Final answer
    x = 92,110.65

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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.