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Finding the Fourth Proportional to 376,943.80, 565,485.75 and 124,242.03

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Solution

The fourth proportional to 376,943.80, 565,485.75 and 124,242.03 is: 186,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,943.80 : 565,485.75 = 124,242.03 : x
  2. Step 2: Convert to fraction form
    376,943.80/565,485.75 = 124,242.03/x
  3. Step 3: Cross multiply
    376,943.80x = 565,485.75 × 124,242.03
  4. Step 4: Simplify right side
    376,943.80x = 70,257,094,688.64
  5. Step 5: Solve for x
    x = 70,257,094,688.64/376,943.80
  6. Step 6: Final answer
    x = 186,386.13

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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.