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Finding the Fourth Proportional to 98,592, 147,922.56 and 43,192.32

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Solution

The fourth proportional to 98,592, 147,922.56 and 43,192.32 is: 64,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,592 : 147,922.56 = 43,192.32 : x
  2. Step 2: Convert to fraction form
    98,592/147,922.56 = 43,192.32/x
  3. Step 3: Cross multiply
    98,592x = 147,922.56 × 43,192.32
  4. Step 4: Simplify right side
    98,592x = 6,389,118,546.74
  5. Step 5: Solve for x
    x = 6,389,118,546.74/98,592
  6. Step 6: Final answer
    x = 64,803.62

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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.