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Finding the Fourth Proportional to 377,178.66, 565,646.94 and 124,402.32

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Solution

The fourth proportional to 377,178.66, 565,646.94 and 124,402.32 is: 186,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,178.66 : 565,646.94 = 124,402.32 : x
  2. Step 2: Convert to fraction form
    377,178.66/565,646.94 = 124,402.32/x
  3. Step 3: Cross multiply
    377,178.66x = 565,646.94 × 124,402.32
  4. Step 4: Simplify right side
    377,178.66x = 70,367,791,636.90
  5. Step 5: Solve for x
    x = 70,367,791,636.90/377,178.66
  6. Step 6: Final answer
    x = 186,563.55

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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.