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Finding the Fourth Proportional to 78,526.56, 108,373.67 and 46,261.48

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Solution

The fourth proportional to 78,526.56, 108,373.67 and 46,261.48 is: 63,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,526.56 : 108,373.67 = 46,261.48 : x
  2. Step 2: Convert to fraction form
    78,526.56/108,373.67 = 46,261.48/x
  3. Step 3: Cross multiply
    78,526.56x = 108,373.67 × 46,261.48
  4. Step 4: Simplify right side
    78,526.56x = 5,013,526,367.23
  5. Step 5: Solve for x
    x = 5,013,526,367.23/78,526.56
  6. Step 6: Final answer
    x = 63,844.98

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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.