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Finding the Fourth Proportional to 175,248, 241,802.64 and 103,631.04

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Solution

The fourth proportional to 175,248, 241,802.64 and 103,631.04 is: 142,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,248 : 241,802.64 = 103,631.04 : x
  2. Step 2: Convert to fraction form
    175,248/241,802.64 = 103,631.04/x
  3. Step 3: Cross multiply
    175,248x = 241,802.64 × 103,631.04
  4. Step 4: Simplify right side
    175,248x = 25,058,259,057.95
  5. Step 5: Solve for x
    x = 25,058,259,057.95/175,248
  6. Step 6: Final answer
    x = 142,987.42

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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.