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Finding the Fourth Proportional to 247,492.08, 371,259.59 and 79,036.38

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Solution

The fourth proportional to 247,492.08, 371,259.59 and 79,036.38 is: 118,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,492.08 : 371,259.59 = 79,036.38 : x
  2. Step 2: Convert to fraction form
    247,492.08/371,259.59 = 79,036.38/x
  3. Step 3: Cross multiply
    247,492.08x = 371,259.59 × 79,036.38
  4. Step 4: Simplify right side
    247,492.08x = 29,343,013,638.70
  5. Step 5: Solve for x
    x = 29,343,013,638.70/247,492.08
  6. Step 6: Final answer
    x = 118,561.42

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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.