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Finding the Fourth Proportional to 163,670.70, 245,457.45 and 63,773.40

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Solution

The fourth proportional to 163,670.70, 245,457.45 and 63,773.40 is: 95,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670.70 : 245,457.45 = 63,773.40 : x
  2. Step 2: Convert to fraction form
    163,670.70/245,457.45 = 63,773.40/x
  3. Step 3: Cross multiply
    163,670.70x = 245,457.45 × 63,773.40
  4. Step 4: Simplify right side
    163,670.70x = 15,653,656,141.83
  5. Step 5: Solve for x
    x = 15,653,656,141.83/163,670.70
  6. Step 6: Final answer
    x = 95,641.16

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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.