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Finding the Fourth Proportional to 163,577.61, 245,366.51 and 51,266.58

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Solution

The fourth proportional to 163,577.61, 245,366.51 and 51,266.58 is: 76,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,577.61 : 245,366.51 = 51,266.58 : x
  2. Step 2: Convert to fraction form
    163,577.61/245,366.51 = 51,266.58/x
  3. Step 3: Cross multiply
    163,577.61x = 245,366.51 × 51,266.58
  4. Step 4: Simplify right side
    163,577.61x = 12,579,101,557.90
  5. Step 5: Solve for x
    x = 12,579,101,557.90/163,577.61
  6. Step 6: Final answer
    x = 76,899.90

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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.