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Finding the Fourth Proportional to 248,572, 343,073.82 and 146,591.20

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Solution

The fourth proportional to 248,572, 343,073.82 and 146,591.20 is: 202,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,572 : 343,073.82 = 146,591.20 : x
  2. Step 2: Convert to fraction form
    248,572/343,073.82 = 146,591.20/x
  3. Step 3: Cross multiply
    248,572x = 343,073.82 × 146,591.20
  4. Step 4: Simplify right side
    248,572x = 50,291,602,962.38
  5. Step 5: Solve for x
    x = 50,291,602,962.38/248,572
  6. Step 6: Final answer
    x = 202,322.08

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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.