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Finding the Fourth Proportional to 185,953.80, 256,617.93 and 101,071.06

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Solution

The fourth proportional to 185,953.80, 256,617.93 and 101,071.06 is: 139,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,953.80 : 256,617.93 = 101,071.06 : x
  2. Step 2: Convert to fraction form
    185,953.80/256,617.93 = 101,071.06/x
  3. Step 3: Cross multiply
    185,953.80x = 256,617.93 × 101,071.06
  4. Step 4: Simplify right side
    185,953.80x = 25,936,646,200.11
  5. Step 5: Solve for x
    x = 25,936,646,200.11/185,953.80
  6. Step 6: Final answer
    x = 139,478.98

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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.