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Finding the Fourth Proportional to 146,987.32, 202,806.98 and 93,253

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Solution

The fourth proportional to 146,987.32, 202,806.98 and 93,253 is: 128,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,987.32 : 202,806.98 = 93,253 : x
  2. Step 2: Convert to fraction form
    146,987.32/202,806.98 = 93,253/x
  3. Step 3: Cross multiply
    146,987.32x = 202,806.98 × 93,253
  4. Step 4: Simplify right side
    146,987.32x = 18,912,359,305.94
  5. Step 5: Solve for x
    x = 18,912,359,305.94/146,987.32
  6. Step 6: Final answer
    x = 128,666.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.