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Finding the Fourth Proportional to 201,648.18, 302,516.10 and 61,403.16

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Solution

The fourth proportional to 201,648.18, 302,516.10 and 61,403.16 is: 92,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,648.18 : 302,516.10 = 61,403.16 : x
  2. Step 2: Convert to fraction form
    201,648.18/302,516.10 = 61,403.16/x
  3. Step 3: Cross multiply
    201,648.18x = 302,516.10 × 61,403.16
  4. Step 4: Simplify right side
    201,648.18x = 18,575,444,490.88
  5. Step 5: Solve for x
    x = 18,575,444,490.88/201,648.18
  6. Step 6: Final answer
    x = 92,118.09

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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.