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Finding the Fourth Proportional to 368,483.85, 552,663.95 and 102,271.41

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Solution

The fourth proportional to 368,483.85, 552,663.95 and 102,271.41 is: 153,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,483.85 : 552,663.95 = 102,271.41 : x
  2. Step 2: Convert to fraction form
    368,483.85/552,663.95 = 102,271.41/x
  3. Step 3: Cross multiply
    368,483.85x = 552,663.95 × 102,271.41
  4. Step 4: Simplify right side
    368,483.85x = 56,521,720,911.31
  5. Step 5: Solve for x
    x = 56,521,720,911.31/368,483.85
  6. Step 6: Final answer
    x = 153,389.95

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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.