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Finding the Fourth Proportional to 163,575.96, 245,363.64 and 51,264.80

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Solution

The fourth proportional to 163,575.96, 245,363.64 and 51,264.80 is: 76,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,575.96 : 245,363.64 = 51,264.80 : x
  2. Step 2: Convert to fraction form
    163,575.96/245,363.64 = 51,264.80/x
  3. Step 3: Cross multiply
    163,575.96x = 245,363.64 × 51,264.80
  4. Step 4: Simplify right side
    163,575.96x = 12,578,517,931.87
  5. Step 5: Solve for x
    x = 12,578,517,931.87/163,575.96
  6. Step 6: Final answer
    x = 76,897.11

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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.