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Finding the Fourth Proportional to 183,813.86, 253,658.06 and 102,140.00

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Solution

The fourth proportional to 183,813.86, 253,658.06 and 102,140.00 is: 140,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,813.86 : 253,658.06 = 102,140.00 : x
  2. Step 2: Convert to fraction form
    183,813.86/253,658.06 = 102,140.00/x
  3. Step 3: Cross multiply
    183,813.86x = 253,658.06 × 102,140.00
  4. Step 4: Simplify right side
    183,813.86x = 25,908,635,805.02
  5. Step 5: Solve for x
    x = 25,908,635,805.02/183,813.86
  6. Step 6: Final answer
    x = 140,950.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.