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Finding the Fourth Proportional to 163,312.53, 244,844.20 and 74,503.93

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Solution

The fourth proportional to 163,312.53, 244,844.20 and 74,503.93 is: 111,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312.53 : 244,844.20 = 74,503.93 : x
  2. Step 2: Convert to fraction form
    163,312.53/244,844.20 = 74,503.93/x
  3. Step 3: Cross multiply
    163,312.53x = 244,844.20 × 74,503.93
  4. Step 4: Simplify right side
    163,312.53x = 18,241,854,339.34
  5. Step 5: Solve for x
    x = 18,241,854,339.34/163,312.53
  6. Step 6: Final answer
    x = 111,699.05

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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.