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Finding the Fourth Proportional to 376,877.79, 565,195.16 and 124,098.18

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Solution

The fourth proportional to 376,877.79, 565,195.16 and 124,098.18 is: 186,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,877.79 : 565,195.16 = 124,098.18 : x
  2. Step 2: Convert to fraction form
    376,877.79/565,195.16 = 124,098.18/x
  3. Step 3: Cross multiply
    376,877.79x = 565,195.16 × 124,098.18
  4. Step 4: Simplify right side
    376,877.79x = 70,139,690,080.32
  5. Step 5: Solve for x
    x = 70,139,690,080.32/376,877.79
  6. Step 6: Final answer
    x = 186,107.25

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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.