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Finding the Fourth Proportional to 376,878.79, 565,196.65 and 124,099.18

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Solution

The fourth proportional to 376,878.79, 565,196.65 and 124,099.18 is: 186,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,878.79 : 565,196.65 = 124,099.18 : x
  2. Step 2: Convert to fraction form
    376,878.79/565,196.65 = 124,099.18/x
  3. Step 3: Cross multiply
    376,878.79x = 565,196.65 × 124,099.18
  4. Step 4: Simplify right side
    376,878.79x = 70,140,440,803.75
  5. Step 5: Solve for x
    x = 70,140,440,803.75/376,878.79
  6. Step 6: Final answer
    x = 186,108.75

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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.