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Finding the Fourth Proportional to 240,542.55, 331,940.55 and 133,117.11

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Solution

The fourth proportional to 240,542.55, 331,940.55 and 133,117.11 is: 183,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,542.55 : 331,940.55 = 133,117.11 : x
  2. Step 2: Convert to fraction form
    240,542.55/331,940.55 = 133,117.11/x
  3. Step 3: Cross multiply
    240,542.55x = 331,940.55 × 133,117.11
  4. Step 4: Simplify right side
    240,542.55x = 44,186,966,707.81
  5. Step 5: Solve for x
    x = 44,186,966,707.81/240,542.55
  6. Step 6: Final answer
    x = 183,697.09

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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.