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Finding the Fourth Proportional to 191,754.76, 264,498.06 and 127,222.60

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Solution

The fourth proportional to 191,754.76, 264,498.06 and 127,222.60 is: 175,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,754.76 : 264,498.06 = 127,222.60 : x
  2. Step 2: Convert to fraction form
    191,754.76/264,498.06 = 127,222.60/x
  3. Step 3: Cross multiply
    191,754.76x = 264,498.06 × 127,222.60
  4. Step 4: Simplify right side
    191,754.76x = 33,650,130,888.16
  5. Step 5: Solve for x
    x = 33,650,130,888.16/191,754.76
  6. Step 6: Final answer
    x = 175,485.24

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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.