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Finding the Fourth Proportional to 172,756.47, 238,322.48 and 101,092.53

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Solution

The fourth proportional to 172,756.47, 238,322.48 and 101,092.53 is: 139,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,756.47 : 238,322.48 = 101,092.53 : x
  2. Step 2: Convert to fraction form
    172,756.47/238,322.48 = 101,092.53/x
  3. Step 3: Cross multiply
    172,756.47x = 238,322.48 × 101,092.53
  4. Step 4: Simplify right side
    172,756.47x = 24,092,621,953.61
  5. Step 5: Solve for x
    x = 24,092,621,953.61/172,756.47
  6. Step 6: Final answer
    x = 139,460.03

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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.