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Finding the Fourth Proportional to 104,184.61, 143,774.74 and 56,437.94

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Solution

The fourth proportional to 104,184.61, 143,774.74 and 56,437.94 is: 77,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,184.61 : 143,774.74 = 56,437.94 : x
  2. Step 2: Convert to fraction form
    104,184.61/143,774.74 = 56,437.94/x
  3. Step 3: Cross multiply
    104,184.61x = 143,774.74 × 56,437.94
  4. Step 4: Simplify right side
    104,184.61x = 8,114,350,149.64
  5. Step 5: Solve for x
    x = 8,114,350,149.64/104,184.61
  6. Step 6: Final answer
    x = 77,884.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.