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Finding the Fourth Proportional to 123,652.64, 185,492.56 and 39,393.20

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Solution

The fourth proportional to 123,652.64, 185,492.56 and 39,393.20 is: 59,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,652.64 : 185,492.56 = 39,393.20 : x
  2. Step 2: Convert to fraction form
    123,652.64/185,492.56 = 39,393.20/x
  3. Step 3: Cross multiply
    123,652.64x = 185,492.56 × 39,393.20
  4. Step 4: Simplify right side
    123,652.64x = 7,307,145,514.59
  5. Step 5: Solve for x
    x = 7,307,145,514.59/123,652.64
  6. Step 6: Final answer
    x = 59,094.13

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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.