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Finding the Fourth Proportional to 377,854.55, 566,856.57 and 107,985.11

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Solution

The fourth proportional to 377,854.55, 566,856.57 and 107,985.11 is: 161,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,854.55 : 566,856.57 = 107,985.11 : x
  2. Step 2: Convert to fraction form
    377,854.55/566,856.57 = 107,985.11/x
  3. Step 3: Cross multiply
    377,854.55x = 566,856.57 × 107,985.11
  4. Step 4: Simplify right side
    377,854.55x = 61,212,069,065.67
  5. Step 5: Solve for x
    x = 61,212,069,065.67/377,854.55
  6. Step 6: Final answer
    x = 161,999.03

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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.