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Finding the Fourth Proportional to 248,587, 372,929.22 and 98,799.36

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Solution

The fourth proportional to 248,587, 372,929.22 and 98,799.36 is: 148,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,587 : 372,929.22 = 98,799.36 : x
  2. Step 2: Convert to fraction form
    248,587/372,929.22 = 98,799.36/x
  3. Step 3: Cross multiply
    248,587x = 372,929.22 × 98,799.36
  4. Step 4: Simplify right side
    248,587x = 36,845,168,261.30
  5. Step 5: Solve for x
    x = 36,845,168,261.30/248,587
  6. Step 6: Final answer
    x = 148,218.40

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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.