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Finding the Fourth Proportional to 248,582, 372,921.72 and 98,794.36

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Solution

The fourth proportional to 248,582, 372,921.72 and 98,794.36 is: 148,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,582 : 372,921.72 = 98,794.36 : x
  2. Step 2: Convert to fraction form
    248,582/372,921.72 = 98,794.36/x
  3. Step 3: Cross multiply
    248,582x = 372,921.72 × 98,794.36
  4. Step 4: Simplify right side
    248,582x = 36,842,562,657.50
  5. Step 5: Solve for x
    x = 36,842,562,657.50/248,582
  6. Step 6: Final answer
    x = 148,210.90

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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.