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Finding the Fourth Proportional to 163,496.96, 245,307.72 and 56,892.77

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Solution

The fourth proportional to 163,496.96, 245,307.72 and 56,892.77 is: 85,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,496.96 : 245,307.72 = 56,892.77 : x
  2. Step 2: Convert to fraction form
    163,496.96/245,307.72 = 56,892.77/x
  3. Step 3: Cross multiply
    163,496.96x = 245,307.72 × 56,892.77
  4. Step 4: Simplify right side
    163,496.96x = 13,956,234,466.65
  5. Step 5: Solve for x
    x = 13,956,234,466.65/163,496.96
  6. Step 6: Final answer
    x = 85,360.82

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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.